Properties of the Number -32805

Thirty-Two Thousand Eight Hundred Five

Basics

Value: -32806 → -32805 → -32804

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ⁸ × 5

Divisors: 1, 3, 5, 9, 15, 27, 45, 81, 135, 243

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000000000100101

Octal: -100045

Duodecimal: -16B99

Hexadecimal: -8025

Square: 1076168025

Square Root: 181.12150617748296

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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

Triangle read by rows: coefficients T(n,k) of a binomial decomposition of n*(-1)ⁿ as Sum(k=0..n)T(n,k)*binomial(n,k). A244140

Triangle read by rows: coefficients T(n,k) of a binomial decomposition of n as Sum(k=0..n)T(n,k)*binomial(n,k). A244142

Leading coefficients of numerators of Norlund's B_νⁿ polynomials (Nørlund, Tafel 5, p. 459). A290030

Numbers of the form 3ⁱ*5^j with i, j >= 0. A3593

Numbers that are the sum of 5 nonzero 8th powers. A3383

Numbers whose prime factors are 3 and 5. A33849

List giving least odd integer of each prime signature. A147516

Products of the 8th power of a prime and a distinct prime (p⁸*q). A179668

Triangle with columns built from certain power sequences. A67402

Third column of triangle A067402. A67403