Properties of the Number 91191

Ninety-One Thousand One Hundred Ninety-One

Basics

Value: 91190 → 91191 → 91192

Parity: odd

Prime: No

Previous Prime: 91183

Next Prime: 91193

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 113 × 269

Divisors: 1, 3, 113, 269, 339, 807, 30397, 91191

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110010000110111

Octal: 262067

Duodecimal: 44933

Hexadecimal: 16437

Square: 8315798481

Square Root: 301.9784760541718

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

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 41 ones. A31809

Numbers k with the property that the square root of the product of the digits of k is equal to the sum of the square roots of its digits. A281745

Primitive abundant numbers: abundant numbers (A005101) having no abundant proper divisor. A91191