Properties of the Number -42692

Forty-Two Thousand Six Hundred Ninety-Two

Basics

Value: -42693 → -42692 → -42691

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 13 × 821

Divisors: 1, 2, 4, 13, 26, 52, 821, 1642, 3284, 10673

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010011011000100

Octal: -123304

Duodecimal: -20858

Hexadecimal: -a6c4

Square: 1822606864

Square Root: 206.6204249342257

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.: exp( ∑_n>=1 A174478(n)*xⁿ/n ) where A174478(n) = ∑_d∣n d·2^n/d*τ(d). A174477

Numbers k such that k * (1+i)^k + 1 is a Gaussian prime. A58770

Numbers n such that n·2^n/2 - 1 is prime. A58775

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, 1), (0, 0, -1), (1, -1, 1), (1, 1, 0)}. A149277

Number of ways to place zero or more nonadjacent 1,0 2,1 2,2 3,1 3,3 4,2 4,3 5,4 polyhexes in any orientation on a planar nXnXn triangular grid. A155445