Properties of the Number 91691

Ninety-One Thousand Six Hundred Ninety-One

Basics

Value: 91690 → 91691 → 91692

Parity: odd

Prime: Yes

Previous Prime: 91673

Next Prime: 91703

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 91691

Divisors: 1, 91691

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110011000101011

Octal: 263053

Duodecimal: 4508B

Hexadecimal: 1662b

Square: 8407239481

Square Root: 302.80521792069567

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(1) = 2; a(n + 1) = smallest prime > a(n) such that a(n + 1) - a(n) is the product of 10 primes. A285694

a(n) = a(n-1)*(a(n-1)² - 1) with a(0) = 2. A361086

a(n) = (10^n-1-1) * (n-10) / 9. A91691