Properties of the Number 81195

Eighty-One Thousand One Hundred Ninety-Five

Basics

Value: 81194 → 81195 → 81196

Parity: odd

Prime: No

Previous Prime: 81181

Next Prime: 81197

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 5413

Divisors: 1, 3, 5, 15, 5413, 16239, 27065, 81195

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110100101011

Octal: 236453

Duodecimal: 3ABA3

Hexadecimal: 13d2b

Square: 6592628025

Square Root: 284.94736356036003

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

a(n) = 361·n² - 2·n. A158307

a(n) = 10·a(n-1)-24·a(n-2) for n>1, a(0)=1, a(1)=25. A81195