Properties of the Number 57508

Fifty-Seven Thousand Five Hundred Eight

Basics

Value: 57507 → 57508 → 57509

Parity: even

Prime: No

Previous Prime: 57503

Next Prime: 57527

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 11 × 1307

Divisors: 1, 2, 4, 11, 22, 44, 1307, 2614, 5228, 14377

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110000010100100

Octal: 160244

Duodecimal: 29344

Hexadecimal: e0a4

Square: 3307170064

Square Root: 239.8082567385869

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

Least number·such that xⁿ has n digits equal to k. Case k = 2. A285449

G.f.: ∑_n>=0 (xⁿ⁺¹ + i)ⁿ / (1 + i·xⁿ)ⁿ⁺¹, in which the constant term is taken to be 1. A323690

Self-inverse permutation of natural numbers induced by the function 'reverse' (present in programming languages like Lisp, Scheme, Prolog and Haskell) when it acts on symbolless S-expressions encoded by A014486/A063171. A57508