Properties of the Number 66875

Sixty-Six Thousand Eight Hundred Seventy-Five

Basics

Value: 66874 → 66875 → 66876

Parity: odd

Prime: No

Previous Prime: 66863

Next Prime: 66877

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 5 ⁴ × 107

Divisors: 1, 5, 25, 107, 125, 535, 625, 2675, 13375, 66875

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010100111011

Octal: 202473

Duodecimal: 3284B

Hexadecimal: 1053b

Square: 4472265625

Square Root: 258.602010819715

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

Indices of primes of the form 2^t*3^u + 1 in the primes. A174099

Numbers k such that prime(k+1) + prime(k-1) = 2·prime(k). A66875