Properties of the Number 51238

Fifty-One Thousand Two Hundred Thirty-Eight

Basics

Value: 51237 → 51238 → 51239

Parity: even

Prime: No

Previous Prime: 51229

Next Prime: 51239

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 11 × 17 × 137

Divisors: 1, 2, 11, 17, 22, 34, 137, 187, 274, 374

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100100000100110

Octal: 144046

Duodecimal: 2579A

Hexadecimal: c826

Square: 2625332644

Square Root: 226.3581233355675

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 ways to place 2 nonattacking knights on an n X n board. A172132

Sums of the products of n consecutive pairs of numbers. A135036

Weight distribution of [137, 69, 21] binary quadratic-residue (or QR) code. A76710

Numbers n such that a positive number m <= n exists such that n-m, n+m, and n·m are triangular numbers. A224935

Number of ways of 4-coloring the Fibonacci square spiral tiling of n squares with colors introduced in order. A331394

First appearance of string n in e. A51238