Properties of the Number 81141

Eighty-One Thousand One Hundred Forty-One

Basics

Value: 81140 → 81141 → 81142

Parity: odd

Prime: No

Previous Prime: 81131

Next Prime: 81157

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 17 × 37 × 43

Divisors: 1, 3, 17, 37, 43, 51, 111, 129, 629, 731

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011110011110101

Octal: 236365

Duodecimal: 3AB59

Hexadecimal: 13cf5

Square: 6583861881

Square Root: 284.8525934584412

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

Preperiod (or threshold) of orbit of Post's {00, 1101} tag system applied to the word (100)ⁿ, or -1 if this word has an unbounded trajectory. A284119

Expansion of 1/((1-x)(1-7x)(1-8x)(1-10x)). A24438

11th binomial transform of (0,0,1,0,0,0,...). A81141