Properties of the Number -81079

Eighty-One Thousand Seventy-Nine

Basics

Value: -81080 → -81079 → -81078

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 89 × 911

Divisors: 1, 89, 911, 81079

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011110010110111

Octal: -236267

Duodecimal: -3AB07

Hexadecimal: -13cb7

Square: 6573804241

Square Root: 284.7437444440176

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

Numbers k such that both k and k + 3 are consecutive deficient numbers. A317049

Numbers n such that 2^σ(n-n) == 1 (mod n). A277172

Positive integers k such that 2^k+2 - 1 is divisible by k. A381010