Properties of the Number 68929

Sixty-Eight Thousand Nine Hundred Twenty-Nine

Basics

Value: 68928 → 68929 → 68930

Parity: odd

Prime: No

Previous Prime: 68927

Next Prime: 68947

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 7 × 43 × 229

Divisors: 1, 7, 43, 229, 301, 1603, 9847, 68929

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110101000001

Octal: 206501

Duodecimal: 33A81

Hexadecimal: 10d41

Square: 4751207041

Square Root: 262.5433297572041

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

Integer nearest to (S(n)*F(4n)(S(n))), where F(4n)(x) are Fibonacci polynomials of multiple of 4 indices (4n) and S(n) = ∑_i=0..3 (C(i)*(log(log(A*(B+n²))))ⁱ) (see coefficients A, B, C(i) in comments). A228111

a(n) = floor(exp(n/π)). A62121

Expansion of cosh(tan(x).exp(x)). A9162

Start with i=1 and j=2. Concatenate i and j, get k = floor(ij/j), concatenate j and k, etc. A127320

Number of incongruent ways to tile a 4 X n room with 1 X 2 Tatami mats. At most 3 Tatami mats may meet at a point. A68929