Properties of the Number 56456

Fifty-Six Thousand Four Hundred Fifty-Six

Basics

Value: 56455 → 56456 → 56457

Parity: even

Prime: No

Previous Prime: 56453

Next Prime: 56467

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 7057

Divisors: 1, 2, 4, 8, 7057, 14114, 28228, 56456

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101110010001000

Octal: 156210

Duodecimal: 28808

Hexadecimal: dc88

Square: 3187279936

Square Root: 237.60471375795558

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

T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their king-move neighbors in a random 0..3 nXk array. A221590

Triangle read by rows: T(n,k) is the number of k-matchings in the P₃ X P_n lattice graph. A100245

Equals one maps: number of n X 2 binary arrays indicating the locations of corresponding elements equal to exactly one of their king-move neighbors in a random 0..3 n X 2 array. A221587

Increasing gaps in A038593 (upper terms). A93362

Number of palindromes of length n using exactly five different symbols. A56456