Properties of the Number 82545

Eighty-Two Thousand Five Hundred Forty-Five

Basics

Value: 82544 → 82545 → 82546

Parity: odd

Prime: No

Previous Prime: 82531

Next Prime: 82549

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 5503

Divisors: 1, 3, 5, 15, 5503, 16509, 27515, 82545

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100001001110001

Octal: 241161

Duodecimal: 3B929

Hexadecimal: 14271

Square: 6813677025

Square Root: 287.3064565929558

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

Main diagonal of array A255551. A255550

Number of 2 X 2 matrices with integer entries in [-n,n] that are diagonalizable over the complex numbers. A338413

a(n) = (2·n)! * ∑_k=0..n binomial(n,k)/(n+k)!. A82545

Table read by antidiagonals: T(n,k) (n >= 3, k >= 1) is the number of regions formed in a regular n-gon by straight line segments when connecting the n corner vertices to the points dividing the sides into k equal parts. A356044