Properties of the Number -42646

Forty-Two Thousand Six Hundred Forty-Six

Basics

Value: -42647 → -42646 → -42645

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 21323

Divisors: 1, 2, 21323, 42646

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010011010010110

Octal: -123226

Duodecimal: -2081A

Hexadecimal: -a696

Square: 1818681316

Square Root: 206.50907970353265

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

Coordination sequence for (2,4,7) tiling of hyperbolic plane. A265062

Decimal concatenations of the 38 quintuples (d1,d2,d3,d4,d5) with elements in {2,4,6} for which there exists a prime p >= 7 such that the differences between the 6 consecutive primes starting with p are (d1,d2,d3,d4,d5). A78870

Principal diagonal of the convolution array A213756. A213757

a(n) = (13·3ⁿ-1)/2. A238055

Powers of fifth root of 23 rounded to nearest integer. A18181

Powers of fifth root of 23 rounded up. A18182

Number of walks within N² (the first quadrant of Z²) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, -1), (0, -1), (0, 1), (1, -1), (1, 0)}. A151442