Properties of the Number -40687

Forty Thousand Six Hundred Eighty-Seven

Basics

Value: -40688 → -40687 → -40686

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 23 × 29 × 61

Divisors: 1, 23, 29, 61, 667, 1403, 1769, 40687

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001111011101111

Octal: -117357

Duodecimal: -1B667

Hexadecimal: -9eef

Square: 1655431969

Square Root: 201.71018814130338

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

a(n) = n·p(n)-spt(n) (= n·A000041(n) - A092269(n)). A220907

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 429", based on the 5-celled von Neumann neighborhood. A272113