Properties of the Number 91187

Ninety-One Thousand One Hundred Eighty-Seven

Basics

Value: 91186 → 91187 → 91188

Parity: odd

Prime: No

Previous Prime: 91183

Next Prime: 91193

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 67 × 1361

Divisors: 1, 67, 1361, 91187

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110010000110011

Octal: 262063

Duodecimal: 4492B

Hexadecimal: 16433

Square: 8315068969

Square Root: 301.97185299295694

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

Odd composite integers m such that U(m)² == 1 (mod m) and V(m) == 3 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=3 and b=-1, respectively. A337626

Intersection of A327653 and A327654. A327655

Number of Dyck n-paths all of whose ascents and descents have lengths equal to 1 (mod 6). A212365

Triangle read by rows: T(n,k) is the number of ordered trees with n edges and k branches. A91187

Number of (n+2)X(3+2) 0..1 arrays with nondecreasing sum of every three consecutive values in every row and column. A251189