Properties of the Number 66638

Sixty-Six Thousand Six Hundred Thirty-Eight

Basics

Value: 66637 → 66638 → 66639

Parity: even

Prime: No

Previous Prime: 66629

Next Prime: 66643

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 11 × 13 × 233

Divisors: 1, 2, 11, 13, 22, 26, 143, 233, 286, 466

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000010001001110

Octal: 202116

Duodecimal: 32692

Hexadecimal: 1044e

Square: 4440623044

Square Root: 258.14337101696026

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

The number of distinct (up to unitary similarity) *-subalgebras of the n X n complex matrices. A215925

Even elements to right of central elements in 4-Pascal triangle A028275. A28286

Number of regions in a complete but borderless regular polygon. A191101

Smallest power of a squarefree number that is a multiple of n. A66638