Properties of the Number 82644

Eighty-Two Thousand Six Hundred Forty-Four

Basics

Value: 82643 → 82644 → 82645

Parity: even

Prime: No

Previous Prime: 82633

Next Prime: 82651

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 71 × 97

Divisors: 1, 2, 3, 4, 6, 12, 71, 97, 142, 194

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100001011010100

Octal: 241324

Duodecimal: 3B9B0

Hexadecimal: 142d4

Square: 6830030736

Square Root: 287.47869486276716

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

Inverse of A164844. A164881

a(n) = 10·a(n-1) - (-1)ⁿ * n, a(1) = 1. A179980

a(n) = floor(n*(n-1/2)/2). A82644