Properties of the Number -51286

Fifty-One Thousand Two Hundred Eighty-Six

Basics

Value: -51287 → -51286 → -51285

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 25643

Divisors: 1, 2, 25643, 51286

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100100001010110

Octal: -144126

Duodecimal: -2581A

Hexadecimal: -c856

Square: 2630253796

Square Root: 226.46412519425675

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

Poincaré series for invariant polynomial functions on the space of binary forms of degree 15. A293940

a(n) = coefficient of xⁿ in A(x) such that 1 = ∑_n=-oo..+oo (-x)ⁿ * (A(x) + x^n-1)ⁿ⁺¹. A359711

G.f.: exp( ∑_n>=1 σ(n·2ⁿ)*xⁿ/n ). A176310

Integers k such that 1023·2^k - 1 is prime. A387926

Number of factorable (see A057765 for definition) subsets of a 2 X n uniform grid. A57818

Truncate Stirling's asymptotic series for 2! after n terms and round to the nearest integer. A362114