Harshad number (English Wikipedia)

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

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archive.org

Sándor, Jozsef; Crstici, Borislav (2004). Handbook of number theory II. Dordrecht: Kluwer Academic. p. 382. ISBN 1-4020-2546-7. Zbl 1079.11001.

arxiv.org

Sanna, Carlo (March 2021), "Additive bases and Niven numbers", Bulletin of the Australian Mathematical Society, 104 (3): 373–380, arXiv:2101.07593, doi:10.1017/S0004972721000186, S2CID 231639019.

doi.org

Cooper, Curtis; Kennedy, Robert E. (1993), "On consecutive Niven numbers" (PDF), Fibonacci Quarterly, 31 (2): 146–151, doi:10.1080/00150517.1993.12429304, ISSN 0015-0517, Zbl 0776.11003
Grundman, H. G. (1994), "Sequences of consecutive n-Niven numbers" (PDF), Fibonacci Quarterly, 32 (2): 174–175, doi:10.1080/00150517.1994.12429245, ISSN 0015-0517, Zbl 0796.11002
Wilson, Brad (1997), "Construction of 2n consecutive n-Niven numbers" (PDF), Fibonacci Quarterly, 35 (2): 122–128, doi:10.1080/00150517.1997.12429006, ISSN 0015-0517
De Koninck, Jean-Marie; Doyon, Nicolas (November 2003), "On the number of Niven numbers up to x", Fibonacci Quarterly, 41 (5): 431–440, doi:10.1080/00150517.2003.12428555.
De Koninck, Jean-Marie; Doyon, Nicolas; Kátai, I. (2003), "On the counting function for the Niven numbers", Acta Arithmetica, 106 (3): 265–275, Bibcode:2003AcAri.106..265D, doi:10.4064/aa106-3-5.
Sanna, Carlo (March 2021), "Additive bases and Niven numbers", Bulletin of the Australian Mathematical Society, 104 (3): 373–380, arXiv:2101.07593, doi:10.1017/S0004972721000186, S2CID 231639019.

harvard.edu

ui.adsabs.harvard.edu

De Koninck, Jean-Marie; Doyon, Nicolas; Kátai, I. (2003), "On the counting function for the Niven numbers", Acta Arithmetica, 106 (3): 265–275, Bibcode:2003AcAri.106..265D, doi:10.4064/aa106-3-5.

math.ca

fq.math.ca

Cooper, Curtis; Kennedy, Robert E. (1993), "On consecutive Niven numbers" (PDF), Fibonacci Quarterly, 31 (2): 146–151, doi:10.1080/00150517.1993.12429304, ISSN 0015-0517, Zbl 0776.11003
Grundman, H. G. (1994), "Sequences of consecutive n-Niven numbers" (PDF), Fibonacci Quarterly, 32 (2): 174–175, doi:10.1080/00150517.1994.12429245, ISSN 0015-0517, Zbl 0796.11002
Wilson, Brad (1997), "Construction of 2n consecutive n-Niven numbers" (PDF), Fibonacci Quarterly, 35 (2): 122–128, doi:10.1080/00150517.1997.12429006, ISSN 0015-0517

oeis.org

Sloane, N. J. A. (ed.), "Sequence A005349 (Niven (or Harshad, or harshad) numbers: numbers that are divisible by the sum of their digits.)", The On-Line Encyclopedia of Integer Sequences, OEIS Foundation (includes only base 10 Harshad numbers).
Sloane, N. J. A. (ed.). "Sequence A080221 (n is Harshad (divisible by the sum of its digits) in a(n) bases from 1 to n.)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
Sloane, N. J. A. (ed.). "Sequence A080459 (Trans-Harshad numerals: base-10 numerals that represent positive Harshad numbers in every base in which they occur.)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.

semanticscholar.org

api.semanticscholar.org

Sanna, Carlo (March 2021), "Additive bases and Niven numbers", Bulletin of the Australian Mathematical Society, 104 (3): 373–380, arXiv:2101.07593, doi:10.1017/S0004972721000186, S2CID 231639019.

worldcat.org

search.worldcat.org

Cooper, Curtis; Kennedy, Robert E. (1993), "On consecutive Niven numbers" (PDF), Fibonacci Quarterly, 31 (2): 146–151, doi:10.1080/00150517.1993.12429304, ISSN 0015-0517, Zbl 0776.11003
Grundman, H. G. (1994), "Sequences of consecutive n-Niven numbers" (PDF), Fibonacci Quarterly, 32 (2): 174–175, doi:10.1080/00150517.1994.12429245, ISSN 0015-0517, Zbl 0796.11002
Wilson, Brad (1997), "Construction of 2n consecutive n-Niven numbers" (PDF), Fibonacci Quarterly, 35 (2): 122–128, doi:10.1080/00150517.1997.12429006, ISSN 0015-0517

zbmath.org

Cooper, Curtis; Kennedy, Robert E. (1993), "On consecutive Niven numbers" (PDF), Fibonacci Quarterly, 31 (2): 146–151, doi:10.1080/00150517.1993.12429304, ISSN 0015-0517, Zbl 0776.11003
Sándor, Jozsef; Crstici, Borislav (2004). Handbook of number theory II. Dordrecht: Kluwer Academic. p. 382. ISBN 1-4020-2546-7. Zbl 1079.11001.
Grundman, H. G. (1994), "Sequences of consecutive n-Niven numbers" (PDF), Fibonacci Quarterly, 32 (2): 174–175, doi:10.1080/00150517.1994.12429245, ISSN 0015-0517, Zbl 0796.11002