Properties of the Number 7936

Seven Thousand Nine Hundred Thirty-Six

Basics

Value: 7935 → 7936 → 7937

Parity: even

Prime: No

Previous Prime: 7933

Next Prime: 7937

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁸ × 31

Divisors: 1, 2, 4, 8, 16, 31, 32, 62, 64, 124

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111100000000

Octal: 17400

Duodecimal: 4714

Hexadecimal: 1f00

Square: 62980096

Square Root: 89.08422980528034

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Euler or up/down numbers: e.g.f. sec(x) + tan(x). Also for n >= 2, half the number of alternating permutations on n letters (A001250). A111

Tangent (or "Zag") numbers: e.g.f. tan(x), also (up to signs) e.g.f. tanh(x). A182

a(n) = 2ⁿ*E(n, 1) where E(n, x) are the Euler polynomials. A155585

Triangle read by rows, T(n,k) = binomial(n,k)*A000111(n-k), 0 <= k <= n. A109449

Numbers that are divisible by exactly 9 primes with multiplicity. A46312

Total number of possible knight moves on an (n+2) X (n+2) chessboard, if the knight is placed anywhere. A35008

Number of binary bit strings of length n with no block of 8 or more 0's. Nonzero heptanacci numbers, A122189. A66178

Number of subsets of {1..n} that can be linearly combined using nonnegative coefficients to obtain n. A365073

Expansion of e.g.f.: 1 + tan(x). A9006

Number of separable multisets of size n covering an initial interval of positive integers. A336103