Properties of the Number -8787

Seven Hundred Eighty-Seven

Basics

Value: -8788 → -8787 → -8786

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 29 × 101

Divisors: 1, 3, 29, 87, 101, 303, 2929, 8787

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -10001001010011

Octal: -21123

Duodecimal: -5103

Hexadecimal: -2253

Square: 77211369

Square Root: 93.73899935459093

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

Expansion of (ψ(x²) / ψ(x))³ in powers of·where ψ() is a Ramanujan θ function. A187053

Expansion of ∏_k>=1 (1 - x^10·k)/(1 - x^k). A261776

Numbers which have only digits 7 and 8 in base 10. A256340

Expansion of (ψ(x²) / ψ(-x))³ in powers of·where ψ() is a Ramanujan θ function. A1937

Numbers that are the sum of seven fourth powers in four or more ways. A345570

Numbers that are the sum of seven fourth powers in exactly four ways. A345826

n times n+3 gives the concatenation of two numbers m and m+7. A116336

a(n) = ∑_k=1..n k²*(floor(n/k) - 1). A279847

Bases in which 13 is a unique-period prime. A306077

Heinz number of the multiset of differences between consecutive divisors of n. A328023