Properties of the Number 72115

Seventy-Two Thousand One Hundred Fifteen

Basics

Value: 72114 → 72115 → 72116

Parity: odd

Prime: No

Previous Prime: 72109

Next Prime: 72139

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 14423

Divisors: 1, 5, 14423, 72115

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001100110110011

Octal: 214663

Duodecimal: 35897

Hexadecimal: 119b3

Square: 5200573225

Square Root: 268.5423616489585

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 X such that X² + Y² = 5^2·k + 1 and X > Y > 0 and k is the quintal digit length of X-1. A369769

Continued fraction expansion of abs(C) where C=-0.2959050055752...is the real negative solution to ζ(x)=x. A72115