Properties of the Number -57256

Fifty-Seven Thousand Two Hundred Fifty-Six

Basics

Value: -57257 → -57256 → -57255

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 17 × 421

Divisors: 1, 2, 4, 8, 17, 34, 68, 136, 421, 842

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101111110101000

Octal: -157650

Duodecimal: -29174

Hexadecimal: -dfa8

Square: 3278249536

Square Root: 239.28226010300054

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

Structured triakis tetrahedral numbers (vertex structure 4). A100175

a(n) = (15·n⁴ + 22·n³ + 45·n² + 14·n) / 24. A101166

Expansion of e.g.f. exp(x * (2 + exp(x))). A367874

Partial sums of the first 10ⁿ terms in A181482. A222739

Expansion of ∏_{i>=1, j>=1} (1 + i·x^i·j). A333653

Number of (n+2)X(3+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 or 00000011. A259718

Triangle read by rows: T(n,k) = number of partial idempotent mappings (of an n-chain) with (right) waist exactly k. A258579