Properties of the Number -72135

Seventy-Two Thousand One Hundred Thirty-Five

Basics

Value: -72136 → -72135 → -72134

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 7 × 229

Divisors: 1, 3, 5, 7, 9, 15, 21, 35, 45, 63

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001100111000111

Octal: -214707

Duodecimal: -358B3

Hexadecimal: -119c7

Square: 5203458225

Square Root: 268.5795971402147

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

Indices of primes in A266891. A304210

Triangle read by rows: coefficients ψ(n,k) arising from the study of completely transitive graphs on n nodes. A259972

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 0), (1, -1, -1), (1, -1, 0), (1, 1, 0)}. A149125