Properties of the Number 91643

Ninety-One Thousand Six Hundred Forty-Three

Basics

Value: 91642 → 91643 → 91644

Parity: odd

Prime: No

Previous Prime: 91639

Next Prime: 91673

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 113 × 811

Divisors: 1, 113, 811, 91643

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10110010111111011

Octal: 262773

Duodecimal: 4504B

Hexadecimal: 165fb

Square: 8398439449

Square Root: 302.72594867305315

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

Absolute discriminants of complex quadratic fields with 3-class group of type (3,3), 3-principalization type (2143), IPAD [(3,9)⁴], and Hilbert 3-class field tower of unknown length at least 3. A247688

Number of distinct determinants of 3 X 3 matrices with entries from {0, 1, ..., n}. A366158

a(n) = n² + 2329·n + 1697. A301985

Number of primes less than 10ⁿ which do not contain the digit 9. A91643