Properties of the Number 51801

Fifty-One Thousand Eight Hundred One

Basics

Value: 51800 → 51801 → 51802

Parity: odd

Prime: No

Previous Prime: 51797

Next Prime: 51803

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 31 × 557

Divisors: 1, 3, 31, 93, 557, 1671, 17267, 51801

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100101001011001

Octal: 145131

Duodecimal: 25B89

Hexadecimal: ca59

Square: 2683343601

Square Root: 227.59833039809408

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

a(n) is the number of partitions of n with Durfee square of size <= 3. A330641

"AGK" (ordered, elements, unlabeled) transform of 1,3,5,7... A32026

Product of the nonzero digits of n. A51801