Properties of the Number 66225

Sixty-Six Thousand Two Hundred Twenty-Five

Basics

Value: 66224 → 66225 → 66226

Parity: odd

Prime: No

Previous Prime: 66221

Next Prime: 66239

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ² × 883

Divisors: 1, 3, 5, 15, 25, 75, 883, 2649, 4415, 13245

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000001010110001

Octal: 201261

Duodecimal: 323A9

Hexadecimal: 102b1

Square: 4385750625

Square Root: 257.3421846491554

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 (n+1) X (2+1) arrays of permutations of 0..n·3+2 with each element having directed index change 1,1 2,2 -1,0 or 0,-1. A264649

Covering numbers C(n,n-4,n-5). A66225