Properties of the Number 72670

Seventy-Two Thousand Six Hundred Seventy

Basics

Value: 72669 → 72670 → 72671

Parity: even

Prime: No

Previous Prime: 72661

Next Prime: 72671

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 13 ² × 43

Divisors: 1, 2, 5, 10, 13, 26, 43, 65, 86, 130

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001101111011110

Octal: 215736

Duodecimal: 3607A

Hexadecimal: 11bde

Square: 5280928900

Square Root: 269.5737375932604

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) = prime(prime(prime(A028815(n) - 1) - 1) - 1) - 1. A141133

Numbers n such that n² + 3, n³ + 3, n⁴ + 3, n⁵ + 3, n⁶ + 3 and n⁷ + 3 are semiprime. A253907

Number of ways to write n as i·j + i + j, 0 < i <= j. A72670