Properties of the Number 81197

Eighty-One Thousand One Hundred Ninety-Seven

Basics

Value: 81196 → 81197 → 81198

Parity: odd

Prime: Yes

Previous Prime: 81181

Next Prime: 81199

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 81197

Divisors: 1, 81197

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110100101101

Octal: 236455

Duodecimal: 3ABA5

Hexadecimal: 13d2d

Square: 6592952809

Square Root: 284.95087295883127

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 n X 1 0..2 arrays with every element value z a city block distance of exactly z from another element value z. A209469

Lesser of twin primes p,p+2 such that the absolute difference of p and the reverse of p+2 is a twin prime and the absolute difference of p+2 and the reverse of p is a twin prime. A342299

The lesser of the 2ⁿ-th twin prime pair (A001359). A356256

Diagonal sums of A081130. A81197