Properties of the Number 68237

Sixty-Eight Thousand Two Hundred Thirty-Seven

Basics

Value: 68236 → 68237 → 68238

Parity: odd

Prime: No

Previous Prime: 68227

Next Prime: 68239

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 13 × 29 × 181

Divisors: 1, 13, 29, 181, 377, 2353, 5249, 68237

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101010001101

Octal: 205215

Duodecimal: 335A5

Hexadecimal: 10a8d

Square: 4656288169

Square Root: 261.22212769977966

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

Square array of numbers associated to the recurrences b(k) = b(k-1) + n·b(k-2); array T(n,k), read by descending antidiagonals, for n, k >= 0. A110112

Triangle t(n,k) read by rows: fibonomial ratios c(n)/(c(k)*c(n-k)) where c are partial products of a generalized Fibonacci sequence with multiplier m=4. A172349

a(n) = ∑_k=0..n binomial(n+3·k+3,n-k) * Catalan(k). A358518

Numbers k such that φ(k) is equal to A008473(k+1). A39781

Numbers m such that m | A000385(m-1) = ∑_k=1..m-1 σ(k) * σ(m-k). A326608

Numerators of arithmetic derivative of 1/n: -A003415(n)/n². A68237