Properties of the Number 51365

Fifty-One Thousand Three Hundred Sixty-Five

Basics

Value: 51364 → 51365 → 51366

Parity: odd

Prime: No

Previous Prime: 51361

Next Prime: 51383

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 10273

Divisors: 1, 5, 10273, 51365

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100100010100101

Octal: 144245

Duodecimal: 25885

Hexadecimal: c8a5

Square: 2638363225

Square Root: 226.63847863944022

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 n such that μ(n) + μ(n+1) + μ(n+2) + μ(n+3) + μ(n+4) + μ(n+5) + μ(n+6) = 6. A82967

Replace 2n+1 with concatenation of its divisors >1. A37287

Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 21. A51986

Number of 4-element families of an n-element set such that every 3 members of the family have a nonempty intersection. A51365