Integer Complexity

writer : Guy, R. K.

source : "Expressing Numbers Using Just Ones." §F26 in Unsolved Problems in Number Theory, 2nd ed. New York: Springer-Verlag

page : ...

9-8-2020 2909

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Znám,s Problem

writer : Brenton, L. and Jaje, L.

source : "Perfectly Weighted Graphs." Graphs Combin. 17

page : ...

4-7-2020 2360

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Modified Bernoulli Number

writer : Sloane, N. J. A.

source : Sequence A057868 in "The On-Line Encyclopedia of Integer Sequences."

page : ...

5-1-2021 1409

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Least Common Multiple

writer : Andrews, G. E

source : Number Theory. New York: Dover, 1994.

page : ...

22-8-2020 1544

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Residue

writer : Shanks, D

source : Solved and Unsolved Problems in Number Theory, 4th ed. New York: Chelsea

page : pp. 55-56

14-1-2020 1208

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Vampire Number

writer : Anderson, J. K

source : "Vampire Numbers." https://hjem.get2net.dk/jka/math/vampires/.

page : ...

20-11-2020 1913

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Natural Logarithm of 2 Continued Fraction

writer : Sloane, N. J. A.

source : Sequences A016730, A059180, A120754, A120755, A228269in "The On-Line Encyclopedia of Integer Sequences."

page : ...

8-5-2020 1251

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Reversal

writer : Ball, W. W. R. and Coxeter, H. S. M

source : Mathematical Recreations and Essays, 13th ed. New York: Dover

page : ...

17-11-2020 1428

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Sexdecillion

writer : المرجع الالكتروني للمعلوماتيه

source : المرجع الالكتروني للمعلوماتيه

page : ...

14-12-2019 1509

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Division Lemma

writer : المرجع الالكتروني للمعلوماتيه

source : المرجع الالكتروني للمعلوماتيه

page : ...

2-11-2019 1354

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Heptagonal Number

writer : Sloane, N. J. A.

source : Sequence A000566/M4358 in "The On-Line Encyclopedia of Integer Sequences."

page : ...

17-12-2020 1165

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Wilson,s Theorem

writer : Ball, W. W. R. and Coxeter, H. S. M

source : Mathematical Recreations and Essays, 13th ed. New York: Dover,

page : ...

3-9-2020 2829

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Random Fibonacci Sequence

writer : Bougerol, P. and Lacrois, J

source : Random Products of Matrices With Applications to Infinite-Dimensional Schrödinger Operators. Basel, Switzerland: Birkhäuser, 1985.

page : ...

8-12-2020 3370

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Sociable Numbers

writer : Cohen, H.

source : "On Amicable and Sociable Numbers." Math. Comput. 24

page : ...

30-11-2020 1348

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Thâbit ibn Kurrah Rule

writer : Dickson, L. E

source : History of the Theory of Numbers, Vol. 1: Divisibility and Primality. New York: Dover, 2005.

page : ...

1-12-2020 2404

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Fibonacci Factorial Constant

writer : Finch, S. R.

source : "Fibonacci Factorials." §1.2.5 in Mathematical Constants. Cambridge, England: Cambridge University Press

page : ...

5-12-2020 1541

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Biunitary Divisor

writer : Cohen, G. L.

source : "On an Integer,s Infinitary Divisors." Math. Comput. 54

page : ...

13-6-2020 1078

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Golden Gnomon

writer : Livio, M.

source : sThe Golden Ratio: The Story of Phi, the World,s Most Astonishing Number. New York: Broadway Book

page : p. 79

16-2-2020 1351

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