Properties of the Number 39642

Thirty-Nine Thousand Six Hundred Forty-Two

Basics

Value: 39641 → 39642 → 39643

Parity: even

Prime: No

Previous Prime: 39631

Next Prime: 39659

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 6607

Divisors: 1, 2, 3, 6, 6607, 13214, 19821, 39642

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101011011010

Octal: 115332

Duodecimal: 1AB36

Hexadecimal: 9ada

Square: 1571488164

Square Root: 199.10298842558842

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

G.f.: ∏_k>=1 (1 + x^k³) / (1 - x^k). A280278

Number of arrangements of 3 nonzero numbers x(i) in -n..n with the sum of floor(x(i)/x(i+1)) equal to zero. A189499

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 0, -1), (0, 1, 0), (1, -1, 0)}. A148193

Number of steps to fixed point of "k -> k/2 or (k-1)/2 until result is prime", starting with prime(n)-1. A39642