Properties of the Number 66968

Sixty-Six Thousand Nine Hundred Sixty-Eight

Basics

Value: 66967 → 66968 → 66969

Parity: even

Prime: No

Previous Prime: 66959

Next Prime: 66973

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 11 × 761

Divisors: 1, 2, 4, 8, 11, 22, 44, 88, 761, 1522

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010110011000

Octal: 202630

Duodecimal: 32908

Hexadecimal: 10598

Square: 4484713024

Square Root: 258.7817613356861

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

a(n) = ∑_k=1..n 2^{n mod k}. A198383

Denominators of b(n) = (1/16)ⁿ*(4/(8·n+1) - 2/(8·n+4) - 1/(8·n+5) - 1/(8·n+6)). A66968