Multiply perfect number (English Wikipedia)

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

refsWebsite

Global rank English rank

8doi.org

2^nd place

6nntdm.net

low place

3zbmath.org

1,923^rd place

1,068^th place

3arxiv.org

69^th place

59^th place

2math.ca

low place

1uni-bielefeld.de

9,437^th place

low place

1uts.edu.au

low place

8,798^th place

1colgate.edu

low place

9,382^nd place

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

Tóth (2025) Tóth, László (2025). "Odd Spoof Multiperfect Numbers" (PDF). Integers. 25 (A19). arXiv:2502.16954.
Dagal, Keneth Adrian P. (2013). "A Lower Bound for τ(n) for k-Multiperfect Number". arXiv:1309.3527 [math.NT].
Yamada, Tomohiro (2024). "Determining all biunitary triperfect numbers of a certain form". arXiv:2406.19331 [math.NT]. (published in Journal of Integer Sequences, Vol. 28 (2025), Article 25.4.5)

colgate.edu (Global: low place; English: 9,382^nd place)

math.colgate.edu

Tóth (2025) Tóth, László (2025). "Odd Spoof Multiperfect Numbers" (PDF). Integers. 25 (A19). arXiv:2502.16954.

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

Hagis Jr., Peter (1984). "Lower Bounds for Unitary Multiperfect Numbers" (PDF). The Fibonacci Quarterly. 22 (2): 140–143. doi:10.1080/00150517.1984.12429905. Retrieved 10 July 2025.
Hagis Jr., Peter (1987). "Bi-Unitary Amicable and Multiperfect Numbers" (PDF). The Fibonacci Quarterly. 25 (2): 144–150. doi:10.1080/00150517.1987.12429711. Retrieved 10 July 2025.
Haukkanen & Sitaramaiah 2020a Haukkanen, Pentti; Sitaramaiah, V. (2020a). "Bi-unitary multiperfect numbers, I" (PDF). Notes on Number Theory and Discrete Mathematics. 26 (1): 93–171. doi:10.7546/nntdm.2020.26.1.93-171.
Haukkanen & Sitaramaiah 2020b Haukkanen, Pentti; Sitaramaiah, V. (2020b). "Bi-unitary multiperfect numbers, II" (PDF). Notes on Number Theory and Discrete Mathematics. 26 (2): 1–26. doi:10.7546/nntdm.2020.26.2.1-26.
Haukkanen & Sitaramaiah 2020c Haukkanen, Pentti; Sitaramaiah, V. (2020c). "Bi-unitary multiperfect numbers, III" (PDF). Notes on Number Theory and Discrete Mathematics. 26 (3): 33–67. doi:10.7546/nntdm.2020.26.3.33-67.
Haukkanen & Sitaramaiah 2020d Haukkanen, Pentti; Sitaramaiah, V. (2020d). "Bi-unitary multiperfect numbers, IV(a)" (PDF). Notes on Number Theory and Discrete Mathematics. 26 (4): 2–32. doi:10.7546/nntdm.2020.26.4.2-32.
Haukkanen & Sitaramaiah 2021a Haukkanen, Pentti; Sitaramaiah, V. (2021a). "Bi-unitary multiperfect numbers, IV(b)" (PDF). Notes on Number Theory and Discrete Mathematics. 27 (1): 45–69. doi:10.7546/nntdm.2021.27.1.45-69.
Haukkanen & Sitaramaiah 2021b Haukkanen, Pentti; Sitaramaiah, V. (2021b). "Bi-unitary multiperfect numbers, V" (PDF). Notes on Number Theory and Discrete Mathematics. 27 (2): 20–40. doi:10.7546/nntdm.2021.27.2.20-40.

math.ca (Global: low place; English: low place)

fq.math.ca

Hagis Jr., Peter (1984). "Lower Bounds for Unitary Multiperfect Numbers" (PDF). The Fibonacci Quarterly. 22 (2): 140–143. doi:10.1080/00150517.1984.12429905. Retrieved 10 July 2025.
Hagis Jr., Peter (1987). "Bi-Unitary Amicable and Multiperfect Numbers" (PDF). The Fibonacci Quarterly. 25 (2): 144–150. doi:10.1080/00150517.1987.12429711. Retrieved 10 July 2025.

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

Haukkanen & Sitaramaiah 2020a Haukkanen, Pentti; Sitaramaiah, V. (2020a). "Bi-unitary multiperfect numbers, I" (PDF). Notes on Number Theory and Discrete Mathematics. 26 (1): 93–171. doi:10.7546/nntdm.2020.26.1.93-171.
Haukkanen & Sitaramaiah 2020b Haukkanen, Pentti; Sitaramaiah, V. (2020b). "Bi-unitary multiperfect numbers, II" (PDF). Notes on Number Theory and Discrete Mathematics. 26 (2): 1–26. doi:10.7546/nntdm.2020.26.2.1-26.
Haukkanen & Sitaramaiah 2020c Haukkanen, Pentti; Sitaramaiah, V. (2020c). "Bi-unitary multiperfect numbers, III" (PDF). Notes on Number Theory and Discrete Mathematics. 26 (3): 33–67. doi:10.7546/nntdm.2020.26.3.33-67.
Haukkanen & Sitaramaiah 2020d Haukkanen, Pentti; Sitaramaiah, V. (2020d). "Bi-unitary multiperfect numbers, IV(a)" (PDF). Notes on Number Theory and Discrete Mathematics. 26 (4): 2–32. doi:10.7546/nntdm.2020.26.4.2-32.
Haukkanen & Sitaramaiah 2021a Haukkanen, Pentti; Sitaramaiah, V. (2021a). "Bi-unitary multiperfect numbers, IV(b)" (PDF). Notes on Number Theory and Discrete Mathematics. 27 (1): 45–69. doi:10.7546/nntdm.2021.27.1.45-69.
Haukkanen & Sitaramaiah 2021b Haukkanen, Pentti; Sitaramaiah, V. (2021b). "Bi-unitary multiperfect numbers, V" (PDF). Notes on Number Theory and Discrete Mathematics. 27 (2): 20–40. doi:10.7546/nntdm.2021.27.2.20-40.

uni-bielefeld.de (Global: 9,437^th place; English: low place)

wwwhomes.uni-bielefeld.de

Flammenkamp, Achim. "The Multiply Perfect Numbers Page". Retrieved 22 January 2014.

uts.edu.au (Global: low place; English: 8,798^th place)

opus.lib.uts.edu.au

Sorli, Ronald. "Algorithms in the Study of Multiperfect and Odd Perfect Numbers" (PDF). University of Technology, Sydney. Retrieved 11 July 2025.

zbmath.org (Global: 1,923^rd place; English: 1,068^th place)

Sándor, Mitrinović & Crstici 2006, p. 105 Sándor, József; Mitrinović, Dragoslav S.; Crstici, Borislav, eds. (2006). Handbook of number theory I. Dordrecht: Springer-Verlag. ISBN 1-4020-4215-9. Zbl 1151.11300.
Sándor, Mitrinović & Crstici 2006, p. 106 Sándor, József; Mitrinović, Dragoslav S.; Crstici, Borislav, eds. (2006). Handbook of number theory I. Dordrecht: Springer-Verlag. ISBN 1-4020-4215-9. Zbl 1151.11300.
Sándor, Mitrinović & Crstici 2006, pp. 108–109 Sándor, József; Mitrinović, Dragoslav S.; Crstici, Borislav, eds. (2006). Handbook of number theory I. Dordrecht: Springer-Verlag. ISBN 1-4020-4215-9. Zbl 1151.11300.

Multiply perfect number (English Wikipedia)

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

colgate.edu (Global: low place; English: 9,382nd place)

math.colgate.edu

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

math.ca (Global: low place; English: low place)

fq.math.ca

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

uni-bielefeld.de (Global: 9,437th place; English: low place)

wwwhomes.uni-bielefeld.de

uts.edu.au (Global: low place; English: 8,798th place)

opus.lib.uts.edu.au

zbmath.org (Global: 1,923rd place; English: 1,068th place)

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

colgate.edu (Global: low place; English: 9,382^nd place)

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

uni-bielefeld.de (Global: 9,437^th place; English: low place)

uts.edu.au (Global: low place; English: 8,798^th place)

zbmath.org (Global: 1,923^rd place; English: 1,068^th place)