Properties of the Number 91693

Ninety-One Thousand Six Hundred Ninety-Three

Basics

Value: 91692 → 91693 → 91694

Parity: odd

Prime: No

Previous Prime: 91691

Next Prime: 91703

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 7 × 13099

Divisors: 1, 7, 13099, 91693

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110011000101101

Octal: 263055

Duodecimal: 45091

Hexadecimal: 1662d

Square: 8407606249

Square Root: 302.80852035568614

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

Cardinality of the permutation (k, k-1, ..., 2, 1)(n, n-1, ..., k+1) in an exchange shuffle applied in all nⁿ possible ways to (1,2,...,n). A13560

Expansion of g.f. 1/((1-6·x)*(1-9·x)*(1-11·x)). A20606

Numbers k such that 9·10^k + 23 is prime. A294636

a(n) = (n·10ⁿ - n + 9)/9. A91693