Properties of the Number 82145

Eighty-Two Thousand One Hundred Forty-Five

Basics

Value: 82144 → 82145 → 82146

Parity: odd

Prime: No

Previous Prime: 82141

Next Prime: 82153

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 7 × 2347

Divisors: 1, 5, 7, 35, 2347, 11735, 16429, 82145

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100000011100001

Octal: 240341

Duodecimal: 3B655

Hexadecimal: 140e1

Square: 6747801025

Square Root: 286.6094904220724

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 quanimous subsets of {1..n} containing n, meaning there is more than one set partition with equal block-sums. A371797

Number of (w,x,y,z) with all terms in {1,...,n} and median=mean. A212133

Haüy rhombic dodecahedral numbers. A46142

Numbers k such that k² + k - 1 and k² + k + 1 are twin primes and (k + 1)*(k + 1) + k + 1 - 1 and (k + 1)*(k + 1) + k + 1 + 1 are also twin primes. A88498

Erroneous version of A046142. A85636

Centered truncated cube numbers: a(n) = (46·n³ - 69·n² + 29·n - 3)/3. A390140

A subdiagonal of number array A082137. A82145