Properties of the Number 68406

Sixty-Eight Thousand Four Hundred Six

Basics

Value: 68405 → 68406 → 68407

Parity: even

Prime: No

Previous Prime: 68399

Next Prime: 68437

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 13 × 877

Divisors: 1, 2, 3, 6, 13, 26, 39, 78, 877, 1754

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101100110110

Octal: 205466

Duodecimal: 33706

Hexadecimal: 10b36

Square: 4679380836

Square Root: 261.54540714759264

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=0..5 binomial(n,k). A6261

a(n) = ∑_k=0..n binomial(5·n,k). A371739

a(n) = ∑_k=0..n binomial(n²,k). A66382

Numbers n such that n and 2n+1 have the same number of prime divisors. A68406