Properties of the Number 72138

Seventy-Two Thousand One Hundred Thirty-Eight

Basics

Value: 72137 → 72138 → 72139

Parity: even

Prime: No

Previous Prime: 72109

Next Prime: 72139

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 11 × 1093

Divisors: 1, 2, 3, 6, 11, 22, 33, 66, 1093, 2186

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001100111001010

Octal: 214712

Duodecimal: 358B6

Hexadecimal: 119ca

Square: 5203891044

Square Root: 268.5851820186661

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

Convolution of A000041 and A000290. A360486

Smallest k whose 'Reverse and Subtract' trajectory has a preperiodic part of length n. A72138