Properties of the Number 51456

Fifty-One Thousand Four Hundred Fifty-Six

Basics

Value: 51455 → 51456 → 51457

Parity: even

Prime: No

Previous Prime: 51449

Next Prime: 51461

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ⁸ × 3 × 67

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100100100000000

Octal: 144400

Duodecimal: 25940

Hexadecimal: c900

Square: 2647719936

Square Root: 226.8391500601252

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

Numbers of the form p⁸*q·r where p, q, and r are distinct primes. A179747

Expansion of ( ∑_k>=0 k² * q^k² )⁴. A347803

6·s*t*(4·s⁴ + 3·t⁴), where s > 0, t = 1..s. A241923

Numbers k such that the concatenation of 2^k - 1 and 2^{k - 1} - 1 is prime. A301806

Number of trees by stability index. A3427

(Terms in A029625)/2. A51456

Number of 4Xn 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303626