Properties of the Number 51730

Fifty-One Thousand Seven Hundred Thirty

Basics

Value: 51729 → 51730 → 51731

Parity: even

Prime: No

Previous Prime: 51721

Next Prime: 51749

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 7 × 739

Divisors: 1, 2, 5, 7, 10, 14, 35, 70, 739, 1478

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100101000010010

Octal: 145022

Duodecimal: 25B2A

Hexadecimal: ca12

Square: 2675992900

Square Root: 227.442300375282

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 k such that Bernoulli number B_k has denominator 4686. A295770

a(n) = ∑_k=0..n (k+1) * 8^k * binomial(2·n+2,n-k). A386986

Distance from A051650(n) to nearest prime. A51730

Number of nX4 0..1 arrays with every element equal to 0, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. A299717