Properties of the Number 91245

Ninety-One Thousand Two Hundred Forty-Five

Basics

Value: 91244 → 91245 → 91246

Parity: odd

Prime: No

Previous Prime: 91243

Next Prime: 91249

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 7 × 11 × 79

Divisors: 1, 3, 5, 7, 11, 15, 21, 33, 35, 55

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10110010001101101

Octal: 262155

Duodecimal: 44979

Hexadecimal: 1646d

Square: 8325650025

Square Root: 302.0678731676045

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 permutations of length n avoiding the pattern 1342. A22558

Odd unitary abundant numbers. A129485

Integers that are Rhonda numbers to base 14. A100972

Odd squarefree abundant numbers. A112643

Primitive, odd, squarefree abundant numbers. A249263

Irregular triangle: T(n,k) is the number of permutations in S_n that have exactly k occurrences of the pattern 4213. 0 <= k <= A342646(n). A342840

Irregular table read by rows: T(n,k) is the number of permutations in S_n that have exactly k occurrences of the pattern 2413. 0 <= k <= A342854(n). A342860

Odd numbers k such that A360522(k) > 2·k. A360526

Odd non-coreful abundant numbers: the odd terms of A308127. A339938

Odd modified exponential abundant numbers: odd numbers k such that A241405(k) > 2·k. A379031