Properties of the Number -42645

Forty-Two Thousand Six Hundred Forty-Five

Basics

Value: -42646 → -42645 → -42644

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 2843

Divisors: 1, 3, 5, 15, 2843, 8529, 14215, 42645

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010011010010101

Octal: -123225

Duodecimal: -20819

Hexadecimal: -a695

Square: 1818596025

Square Root: 206.50665848829186

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

Number of binary strings of length n with no substrings equal to 0001 or 0110. A164396

The sum of the numbers that are inside the contour of an n-story Christmas tree drawn at the top of the numerical pyramid containing the positive integers in natural order. A358994

Powers of fifth root of 23 rounded down. A18180