Properties of the Number 72312

Seventy-Two Thousand Three Hundred Twelve

Basics

Value: 72311 → 72312 → 72313

Parity: even

Prime: No

Previous Prime: 72307

Next Prime: 72313

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 23 × 131

Divisors: 1, 2, 3, 4, 6, 8, 12, 23, 24, 46

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001101001111000

Octal: 215170

Duodecimal: 35A20

Hexadecimal: 11a78

Square: 5229025344

Square Root: 268.90890650924894

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) = A008475(n!). A81402

Number of (5+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 4 6 or 7. A252645

a(n)-th Fibonacci number is the smallest Fibonacci number containing exactly n 8's. A72312