Properties of the Number 91638

Ninety-One Thousand Six Hundred Thirty-Eight

Basics

Value: 91637 → 91638 → 91639

Parity: even

Prime: No

Previous Prime: 91631

Next Prime: 91639

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 1697

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 1697, 3394

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110010111110110

Octal: 262766

Duodecimal: 45046

Hexadecimal: 165f6

Square: 8397523044

Square Root: 302.7176902660299

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

Number of primes less than 10ⁿ which do not contain the digit 4. A91638

Number of nX6 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically. A207856