Properties of the Number -81925

Eighty-One Thousand Nine Hundred Twenty-Five

Basics

Value: -81926 → -81925 → -81924

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 ² × 29 × 113

Divisors: 1, 5, 25, 29, 113, 145, 565, 725, 2825, 3277

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100000000000101

Octal: -240005

Duodecimal: -3B4B1

Hexadecimal: -14005

Square: 6711705625

Square Root: 286.2254356272342

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) = 5·2ⁿ + 5. A231643

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 662", based on the 5-celled von Neumann neighborhood. A283602

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 662", based on the 5-celled von Neumann neighborhood. A283603

Decimal representation of generation n in the reversible cellular automaton RCA(3) when started with a single ON cell at generation 0. A284209

Values of register a when register b becomes 0 for the two-register machine {i[1], i[1], i[1], d[2,1], d[1,6], i[2], d[1,5], d[2,3]}. A156622