Properties of the Number 39668

Thirty-Nine Thousand Six Hundred Sixty-Eight

Basics

Value: 39667 → 39668 → 39669

Parity: even

Prime: No

Previous Prime: 39667

Next Prime: 39671

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 47 × 211

Divisors: 1, 2, 4, 47, 94, 188, 211, 422, 844, 9917

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101011110100

Octal: 115364

Duodecimal: 1AB58

Hexadecimal: 9af4

Square: 1573550224

Square Root: 199.1682705653689

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

Riordan array (f(x), x·f(x)) where f(x) is the g.f. of A059738. A171505

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (0, 1, 1), (1, 0, -1), (1, 0, 1)}. A150597

Numerator of x(n) = ∑_k=1..n ((odd part of k)/(k³)). A111918

Replaced by the pair of sequences A048611 and A048612. A39668