Properties of the Number -15929

Fifteen Thousand Nine Hundred Twenty-Nine

Basics

Value: -15930 → -15929 → -15928

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 17 × 937

Divisors: 1, 17, 937, 15929

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111000111001

Octal: -37071

Duodecimal: -9275

Hexadecimal: -3e39

Square: 253733041

Square Root: 126.21014222319853

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

Alternating sum of heptagonal pyramidal numbers. A269428

a(n) = ∑_k=0..n (-1)^k*binomial(n, k)*A000831(k). A343843

Numbers k such that prime(k) == 10 (mod k). A23152

T(n,k)=Number of length (n+k)X1 arrays of occupancy after each element moves up to +-k places but not 0. A222555

At stage 1, start with a unit equilateral equiangular triangle. At each successive stage add 3*(n-1) new triangles around outside with edge-to-edge contacts. Sequence gives number of triangles (regardless of size) at n-th stage. A64412

Number of permutations of {1..n} with all distinct lengths of maximal runs (increasing by 1). A384891

Numbers k for which A276085(k) is a multiple of 3125, where A276085 is fully additive with a(p) = p#/p. A377878

a(n) = 8·n² - 6·n - 1. A194431

Structured triakis octahedral numbers (vertex structure 4). A100171

Expansion of 1/(1-x-x⁵-x⁶). A121832