Properties of the Number 91857

Ninety-One Thousand Eight Hundred Fifty-Seven

Basics

Value: 91856 → 91857 → 91858

Parity: odd

Prime: No

Previous Prime: 91841

Next Prime: 91867

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 67 × 457

Divisors: 1, 3, 67, 201, 457, 1371, 30619, 91857

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110011011010001

Octal: 263321

Duodecimal: 451A9

Hexadecimal: 166d1

Square: 8437708449

Square Root: 303.079197570536

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 A(n,k) of rooted identity trees with n nodes and k-colored non-root nodes; square array A(n,k), n>=0, k>=0, read by antidiagonals. A255517

Number of rooted identity trees with n nodes and 3-colored non-root nodes. A52757

Positions of records in permutation A267107. A268393

Beginning with 1, (a(2n-1),a(2n)) = 1, (a(2n),a(2n+1))>1; a(n) is smallest value not yet used that makes this true. A91857