Properties of the Number 82605

Eighty-Two Thousand Six Hundred Five

Basics

Value: 82604 → 82605 → 82606

Parity: odd

Prime: No

Previous Prime: 82601

Next Prime: 82609

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 5507

Divisors: 1, 3, 5, 15, 5507, 16521, 27535, 82605

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100001010101101

Octal: 241255

Duodecimal: 3B979

Hexadecimal: 142ad

Square: 6823586025

Square Root: 287.41085574487266

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

Absolute multiplicative persistence: a(n) is the least number with multiplicative persistence n for some base b > 1. A330152

Using Euler's 6-term sequence A014556, we define the partial recurrence relation a(0)=2, a(1)=3, a(2)=5; a(k) = 2·a(k-1) - 1 - (-2)^k-2, 3 <= k <= 5. A82605