Properties of the Number 91157

Ninety-One Thousand One Hundred Fifty-Seven

Basics

Value: 91156 → 91157 → 91158

Parity: odd

Prime: No

Previous Prime: 91153

Next Prime: 91159

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 11 × 8287

Divisors: 1, 11, 8287, 91157

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110010000010101

Octal: 262025

Duodecimal: 44905

Hexadecimal: 16415

Square: 8309598649

Square Root: 301.9221754028677

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 of strongly unimodal partitions of n (strongly unimodal means strictly increasing then strictly decreasing). A59618

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock summing to less than 4. A184564

Numerators of continued fraction convergents to sqrt(606). A42162

a(n) is obtained by applying the map k -> composite(k) n times, starting at n. A280327

Number of (n+1)X3 0..2 arrays with no 2X2 subblock summing to less than 4. A184557

Number of (n+1)X4 0..2 arrays with no 2X2 subblock summing to less than 4. A184558

Primes occurring in the sequence 3, 1, 4, 5, 9, 14, 23, ... (A000285 prefixed with 3). A91157