Properties of the Number 51920

Fifty-One Thousand Nine Hundred Twenty

Basics

Value: 51919 → 51920 → 51921

Parity: even

Prime: No

Previous Prime: 51913

Next Prime: 51929

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 5 × 11 × 59

Divisors: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1100101011010000

Octal: 145320

Duodecimal: 26068

Hexadecimal: cad0

Square: 2695686400

Square Root: 227.85960589801783

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

Number of canonical 3-polytopes of size n. A319959

Numbers k such that both k and k+1 are not exponentially squarefree numbers. A342188

Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254903

a(n) = binomial(n, floor(n/2)) + 1. A51920