Friendly number (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Friendly number" in English language version.

refsWebsite

Global rank English rank

7doi.org

2^nd place

6arxiv.org

69^th place

59^th place

4worldcat.org

5^th place

1tomrocksmaths.com

low place

1sciencedirectassets.com

low place

1springer.com

274^th place

309^th place

1zenodo.org

621^st place

380^th place

1nntdm.net

low place

1future-in-tech.net

low place

1sciendo.com

low place

1github.com

383^rd place

320^th place

1oeis.org

742^nd place

538^th place

1ams.org

451^st place

277^th place

1harvard.edu

18^th place

17^th place

1jstor.org

26^th place

20^th place

ams.org (Global: 451^st place; English: 277^th place)

Nielsen, Pace P. (2007-10-01). "Odd perfect numbers have at least nine distinct prime factors" (PDF). Mathematics of Computation. 76 (260): 2109–2127. arXiv:math/0602485. Bibcode:2007MaCom..76.2109N. doi:10.1090/S0025-5718-07-01990-4.

arxiv.org (Global: 69^th place; English: 59^th place)

Ward, Jeffrey (2008-06-06), "Does Ten Have a Friend?", International Journal of Mathematics and Computer Science, vol. 3, no. 3, pp. 153–158, arXiv:0806.1001
Thackeray, Henry (Maya) Robert (2024-05-01). "Each friend of 10 has at least 10 nonidentical prime factors" (PDF). Indagationes Mathematicae. 35 (3): 595–607. arXiv:2310.15900. doi:10.1016/j.indag.2024.04.011. ISSN 0019-3577.
Mandal, Sourav; Mandal, Sagar (2025-02-01). "Upper Bounds for the Prime Divisors of Friends of 10" (PDF). Resonance. 30 (2): 263–275. arXiv:2404.05771. doi:10.1007/s12045-025-1747-8. ISSN 0973-712X.
Mandal, Sagar (2025-04-12). "Exploring the Relationships Between the Divisors of Friends of 10" (PDF). News Bulletin of Calcutta Mathematical Society. 48 (1–3): 21–32. arXiv:2504.08295. doi:10.5281/zenodo.15206286. ISSN 0970-8596.
Mandal, Sagar (2025). "A note on solitary numbers". Notes on Number Theory and Discrete Mathematics. 31 (3): 617–623. arXiv:2503.11694. doi:10.7546/nntdm.2025.31.3.617-623.
Nielsen, Pace P. (2007-10-01). "Odd perfect numbers have at least nine distinct prime factors" (PDF). Mathematics of Computation. 76 (260): 2109–2127. arXiv:math/0602485. Bibcode:2007MaCom..76.2109N. doi:10.1090/S0025-5718-07-01990-4.

doi.org (Global: 2^nd place; English: 2^nd place)

Thackeray, Henry (Maya) Robert (2024-05-01). "Each friend of 10 has at least 10 nonidentical prime factors" (PDF). Indagationes Mathematicae. 35 (3): 595–607. arXiv:2310.15900. doi:10.1016/j.indag.2024.04.011. ISSN 0019-3577.
Mandal, Sourav; Mandal, Sagar (2025-02-01). "Upper Bounds for the Prime Divisors of Friends of 10" (PDF). Resonance. 30 (2): 263–275. arXiv:2404.05771. doi:10.1007/s12045-025-1747-8. ISSN 0973-712X.
Mandal, Sagar (2025-04-12). "Exploring the Relationships Between the Divisors of Friends of 10" (PDF). News Bulletin of Calcutta Mathematical Society. 48 (1–3): 21–32. arXiv:2504.08295. doi:10.5281/zenodo.15206286. ISSN 0970-8596.
Mandal, Sagar (2025). "A note on solitary numbers". Notes on Number Theory and Discrete Mathematics. 31 (3): 617–623. arXiv:2503.11694. doi:10.7546/nntdm.2025.31.3.617-623.
Chatterjee, Tapas; Mandal, Sagar; Mandal, Sourav (2025-01-01). "On characterizing potential friends of 20". Annals of West University of Timisoara - Mathematics and Computer Science. 61 (1): 205–229. doi:10.2478/awutm-2025-0013. ISSN 1841-3307.
Nielsen, Pace P. (2007-10-01). "Odd perfect numbers have at least nine distinct prime factors" (PDF). Mathematics of Computation. 76 (260): 2109–2127. arXiv:math/0602485. Bibcode:2007MaCom..76.2109N. doi:10.1090/S0025-5718-07-01990-4.
Anderson, C. W.; Hickerson, Dean; Greening, M. G. (1977). "6020". The American Mathematical Monthly. 84 (1): 65–66. doi:10.2307/2318325. JSTOR 2318325.

future-in-tech.net (Global: low place; English: low place)

Terry, Nico. "Friends of 15 Live Far Away" (PDF). International Journal of Mathematics and Computer Science. 14 (1): 177–186.

github.com (Global: 383^rd place; English: 320^th place)

Cemra, Jason (23 July 2022). "10 Solitary Check". Github/CemraJC/Solidarity.

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Nielsen, Pace P. (2007-10-01). "Odd perfect numbers have at least nine distinct prime factors" (PDF). Mathematics of Computation. 76 (260): 2109–2127. arXiv:math/0602485. Bibcode:2007MaCom..76.2109N. doi:10.1090/S0025-5718-07-01990-4.

jstor.org (Global: 26^th place; English: 20^th place)

Anderson, C. W.; Hickerson, Dean; Greening, M. G. (1977). "6020". The American Mathematical Monthly. 84 (1): 65–66. doi:10.2307/2318325. JSTOR 2318325.

nntdm.net (Global: low place; English: low place)

Mandal, Sagar (2025). "A note on solitary numbers". Notes on Number Theory and Discrete Mathematics. 31 (3): 617–623. arXiv:2503.11694. doi:10.7546/nntdm.2025.31.3.617-623.

oeis.org (Global: 742^nd place; English: 538^th place)

"OEIS sequence A074902". On-Line Encyclopedia of Integer Sequences. Retrieved 10 July 2020.

sciencedirectassets.com (Global: low place; English: low place)

pdf.sciencedirectassets.com

Thackeray, Henry (Maya) Robert (2024-05-01). "Each friend of 10 has at least 10 nonidentical prime factors" (PDF). Indagationes Mathematicae. 35 (3): 595–607. arXiv:2310.15900. doi:10.1016/j.indag.2024.04.011. ISSN 0019-3577.

sciendo.com (Global: low place; English: low place)

Chatterjee, Tapas; Mandal, Sagar; Mandal, Sourav (2025-01-01). "On characterizing potential friends of 20". Annals of West University of Timisoara - Mathematics and Computer Science. 61 (1): 205–229. doi:10.2478/awutm-2025-0013. ISSN 1841-3307.

springer.com (Global: 274^th place; English: 309^th place)

link.springer.com

Mandal, Sourav; Mandal, Sagar (2025-02-01). "Upper Bounds for the Prime Divisors of Friends of 10" (PDF). Resonance. 30 (2): 263–275. arXiv:2404.05771. doi:10.1007/s12045-025-1747-8. ISSN 0973-712X.

tomrocksmaths.com (Global: low place; English: low place)

"Numbers with Cool Names: Amicable, Sociable, Friendly". 10 May 2023. Retrieved 26 July 2023.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Thackeray, Henry (Maya) Robert (2024-05-01). "Each friend of 10 has at least 10 nonidentical prime factors" (PDF). Indagationes Mathematicae. 35 (3): 595–607. arXiv:2310.15900. doi:10.1016/j.indag.2024.04.011. ISSN 0019-3577.
Mandal, Sourav; Mandal, Sagar (2025-02-01). "Upper Bounds for the Prime Divisors of Friends of 10" (PDF). Resonance. 30 (2): 263–275. arXiv:2404.05771. doi:10.1007/s12045-025-1747-8. ISSN 0973-712X.
Mandal, Sagar (2025-04-12). "Exploring the Relationships Between the Divisors of Friends of 10" (PDF). News Bulletin of Calcutta Mathematical Society. 48 (1–3): 21–32. arXiv:2504.08295. doi:10.5281/zenodo.15206286. ISSN 0970-8596.
Chatterjee, Tapas; Mandal, Sagar; Mandal, Sourav (2025-01-01). "On characterizing potential friends of 20". Annals of West University of Timisoara - Mathematics and Computer Science. 61 (1): 205–229. doi:10.2478/awutm-2025-0013. ISSN 1841-3307.

zenodo.org (Global: 621^st place; English: 380^th place)

Mandal, Sagar (2025-04-12). "Exploring the Relationships Between the Divisors of Friends of 10" (PDF). News Bulletin of Calcutta Mathematical Society. 48 (1–3): 21–32. arXiv:2504.08295. doi:10.5281/zenodo.15206286. ISSN 0970-8596.

Friendly number (English Wikipedia)

ams.org (Global: 451st place; English: 277th place)

arxiv.org (Global: 69th place; English: 59th place)

doi.org (Global: 2nd place; English: 2nd place)

future-in-tech.net (Global: low place; English: low place)

github.com (Global: 383rd place; English: 320th place)

harvard.edu (Global: 18th place; English: 17th place)

ui.adsabs.harvard.edu

jstor.org (Global: 26th place; English: 20th place)

nntdm.net (Global: low place; English: low place)

oeis.org (Global: 742nd place; English: 538th place)

sciencedirectassets.com (Global: low place; English: low place)

pdf.sciencedirectassets.com

sciendo.com (Global: low place; English: low place)

springer.com (Global: 274th place; English: 309th place)

link.springer.com

tomrocksmaths.com (Global: low place; English: low place)

worldcat.org (Global: 5th place; English: 5th place)

search.worldcat.org

zenodo.org (Global: 621st place; English: 380th place)

ams.org (Global: 451^st place; English: 277^th place)

arxiv.org (Global: 69^th place; English: 59^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

github.com (Global: 383^rd place; English: 320^th place)

harvard.edu (Global: 18^th place; English: 17^th place)

jstor.org (Global: 26^th place; English: 20^th place)

oeis.org (Global: 742^nd place; English: 538^th place)

springer.com (Global: 274^th place; English: 309^th place)

worldcat.org (Global: 5^th place; English: 5^th place)

zenodo.org (Global: 621^st place; English: 380^th place)