Properties of the Number 90161

Ninety Thousand One Hundred Sixty-One

Basics

Value: 90160 → 90161 → 90162

Parity: odd

Prime: No

Previous Prime: 90149

Next Prime: 90163

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 29 × 3109

Divisors: 1, 29, 3109, 90161

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110000000110001

Octal: 260061

Duodecimal: 44215

Hexadecimal: 16031

Square: 8129005921

Square Root: 300.2682134359213

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

Triangle read by rows: 2-Stirling numbers of the second kind. A143494

Triangle read by rows: 3-Stirling numbers of the second kind. A143495

Number T(n,k) of entries in the k-th cycles of all permutations of {1,2,..,n}; each cycle is written with the smallest element first and cycles are arranged in increasing order of their first elements. A185105

4-Stirling numbers of the second kind. A143496

2-Fubini numbers. A232472

Triangle read by rows. The Bell transform of the sequence {m^m | m >= 0}. A354794

Unsigned 3-Stirling numbers of the first kind. A143492

Triangle of unsigned 2-Lah numbers. A143497

Unsigned 4-Stirling numbers of the first kind. A143493

3-Fubini numbers. A232473