Properties of the Number 82521

Eighty-Two Thousand Five Hundred Twenty-One

Basics

Value: 82520 → 82521 → 82522

Parity: odd

Prime: No

Previous Prime: 82507

Next Prime: 82529

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 53 × 173

Divisors: 1, 3, 9, 53, 159, 173, 477, 519, 1557, 9169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10100001001011001

Octal: 241131

Duodecimal: 3B909

Hexadecimal: 14259

Square: 6809715441

Square Root: 287.2646863086377

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 permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={0,4}. A79964

Least palindromic prime with at least 2n+1 central 0's. A82521