Properties of the Number 83171

Eighty-Three Thousand One Hundred Seventy-One

Basics

Value: 83170 → 83171 → 83172

Parity: odd

Prime: No

Previous Prime: 83137

Next Prime: 83177

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 11 × 7561

Divisors: 1, 11, 7561, 83171

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100010011100011

Octal: 242343

Duodecimal: 4016B

Hexadecimal: 144e3

Square: 6917415241

Square Root: 288.39382795059953

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

Numbers k such that (10^k - 1)/9 + 6·10^floor(k/2) is a palindromic wing prime (a.k.a. near-repdigit palindromic prime). A77789

Numbers X such that 99·X² - 2178 is a square. A131216

a(n) = the arithmetic mean of the n-th row of triangle A083167. A83171

Numbers which are both 11-gonal and centered 11-gonal. A131215

A symmetrical triangle sequence based on:q=1/12;t(n,m,q)=12*(Binomial[n, m]*(1 - q) + (((n + m + 1)!/((n + 1)!* m!)) + ((2·n - m + 1)!/((n + 1)!*(n - m)!)))*q). A174948