Properties of the Number 91161

Ninety-One Thousand One Hundred Sixty-One

Basics

Value: 91160 → 91161 → 91162

Parity: odd

Prime: No

Previous Prime: 91159

Next Prime: 91163

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 1447

Divisors: 1, 3, 7, 9, 21, 63, 1447, 4341, 10129, 13023

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10110010000011001

Octal: 262031

Duodecimal: 44909

Hexadecimal: 16419

Square: 8310327921

Square Root: 301.9287995538021

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

T(n,k) = Number of n X k 0..1 arrays with every one equal to some NW, E or S neighbor. A202906

Number of 3 X 3 matrices with unit determinant and nonnegative integer entries whose sum is n. A361083

Number of n X 3 0..1 arrays with every one equal to some NW, E or S neighbor. A202901

Number of n X 7 0..1 arrays with every one equal to some NW, E or S neighbor. A202905

Number of idempotent Boolean relation matrices on [n] that have no proper power primitive. A360718

Number of primes of the form 12k + 1 less than 10ⁿ. A91161