Properties of the Number 51720

Fifty-One Thousand Seven Hundred Twenty

Basics

Value: 51719 → 51720 → 51721

Parity: even

Prime: No

Previous Prime: 51719

Next Prime: 51721

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 431

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100101000001000

Octal: 145010

Duodecimal: 25B20

Hexadecimal: ca08

Square: 2674958400

Square Root: 227.42031571519726

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 that are the sum of six fifth powers in two or more ways. A345507

Numbers that are the sum of six fifth powers in exactly two ways. A346357

a(n)=4a(n-1)+C(n+3,3),n>0, a(0)=1. A97788

Expansion of a(q)² * (b(q) * c(q) / 3)³ in powers of q where a(), b(), c() are cubic AGM θ functions. A136747

Integer part of log(nⁿ)^sqrt(n). A62455

Numerators of column 3 of table described in A051714/A051715. A51720