Properties of the Number -42988

Forty-Two Thousand Nine Hundred Eighty-Eight

Basics

Value: -42989 → -42988 → -42987

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 11 × 977

Divisors: 1, 2, 4, 11, 22, 44, 977, 1954, 3908, 10747

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010011111101100

Octal: -123754

Duodecimal: -20A64

Hexadecimal: -a7ec

Square: 1847968144

Square Root: 207.33547694497437

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

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 121", based on the 5-celled von Neumann neighborhood. A278957

a(n) = 42·2ⁿ - 20. A305064