Properties of the Number -89787

Eighty-Nine Thousand Seven Hundred Eighty-Seven

Basics

Value: -89788 → -89787 → -89786

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 39

Digital Root: 3

Palindrome: No

Factorization: 3 × 173 ²

Divisors: 1, 3, 173, 519, 29929, 89787

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101111010111011

Octal: -257273

Duodecimal: -43B63

Hexadecimal: -15ebb

Square: 8061705369

Square Root: 299.64478970941576

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 p²*q, p > q odd primes such that q divides p+1. A350245

3p² where p runs through the primes. A79705

Number of nontrivial solutions (x,y,z) for each prime number p of the Fermat equation x^p + y^p + z^p = 0 mod (n) where n is prime of the form n = 2p + 1, and x, y, z are integers such that x < = y. A172426

Numbers of the form 20·k+7 which are three times a square. A192328

One-third of the number of n X n nonnegative integer arrays with every 3 X 3 subblock summing to 2. A145053