Properties of the Number 66005

Sixty-Six Thousand Five

Basics

Value: 66004 → 66005 → 66006

Parity: odd

Prime: No

Previous Prime: 65993

Next Prime: 66029

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 43 × 307

Divisors: 1, 5, 43, 215, 307, 1535, 13201, 66005

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000000111010101

Octal: 200725

Duodecimal: 32245

Hexadecimal: 101d5

Square: 4356660025

Square Root: 256.91438262580783

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 vertices formed in a square by straight line segments when connecting the n+1 points along each edge that divide it into n equal parts to the n+1 points on the edge on the opposite side of the square. A355839

Number of compositions (ordered partitions) of n into an odd number of squares. A339419

Sum of digits of 11ⁿ. A66005