Pogson,s Ratio

writer : Pogson, N.

source : "Magnitudes of Thirty-Six of the Minor Planets for the First Day of Each Month of the Year 1857." Monthly Not. Roy. Astron. Soc. 17

page : ...

15-1-2020 1305

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Number Length

writer : المرجع الالكتروني للمعلوماتيه

source : المرجع الالكتروني للمعلوماتيه

page : ...

29-11-2019 1871

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Poulet Number

writer : Guy, R. K.

source : Unsolved Problems in Number Theory, 2nd ed. New York: Springer-Verlag

page : ...

25-1-2021 1133

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Truncatable Prime

writer : Angell, I. O. and Godwin, H. J.

source : "On Truncatable Primes." Math. Comput. 31

page : ...

21-1-2021 1167

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Wall-Sun-Sun Prime

writer : Sloane, N. J. A

source : Sequences A113650 and A113651 in "The On-Line Encyclopedia of Integer Sequences."

page : ...

31-8-2020 1209

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Lucas Sequence

writer : Ribenboim, P.

source : The Little Book of Big Primes. New York: Springer-Verlag

page : ...

1-11-2020 1193

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Braun,s Conjecture

writer : Flath, A. and Zulauf, A.

source : "Does the Möbius Function Determine Multiplicative Arithmetic?" Amer. Math. Monthly 102

page : ...

16-8-2020 1187

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Kravitz Conjecture

writer : Guy, R. K.

source : Unsolved Problems in Number Theory, 3rd ed. New York: Springer-Verlag, 2004

page : ...

25-11-2020 1048

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Partial Numerator

writer : المرجع الالكتروني للمعلوماتيه

source : www.almerja.com

page : ...

10-5-2020 1475

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Midy,s Theorem

writer : Rademacher, H. and Toeplitz, O

source : The Enjoyment of Mathematics: Selections from Mathematics for the Amateur. Princeton, NJ: Princeton University Press,

page : ...

27-10-2019 1278

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Landau,s Formula

writer : Conrey, J. B

source : "The Riemann Hypothesis." Not. Amer. Math. Soc. 50

page : ...

17-8-2020 1224

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Soldner,s Constant

writer : Berndt, B. C.

source : Ramanujan,s Notebooks, Part IV. New York: Springer-Verlag

page : ...

29-3-2020 2354

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Twin Peaks

writer : Sloane, N. J. A

source : Sequence A009190 in "The On-Line Encyclopedia of Integer Sequences."

page : ...

10-10-2020 1419

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Hexagonal Number

writer : Duke, W. and Schulze-Pillot, R.

source : "Representations of Integers by Positive Ternary Quadratic Forms and Equidistribution of Lattice Points on Ellipsoids." Invent. Math. 99

page : ...

18-12-2020 1388

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Pentanacci Constant

writer : Sloane, N. J. A

source : Sequence A103814 in "The On-Line Encyclopedia of Integer Sequences."

page : ...

7-12-2020 1286

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Copeland-Erdős Constant Digits

writer : Copeland, A. H. and Erdős, P.

source : "Note on Normal Numbers." Bull. Amer. Math. Soc. 52

page : ...

3-10-2020 1341

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Feller-Tornier Constant

writer : Cohen, E.

source : "Some Asymptotic Formulas in the Theory of Numbers." Trans. Amer. Math. Soc. 112

page : ...

3-10-2020 1170

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Ball Line Picking

writer : Kendall, M. G. and Moran, P. A. P

source : Geometrical Probability. New York: Hafner, 1963.

page : ...

5-2-2020 1293

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