Properties of the Number -6859

Eight Hundred Fifty-Nine

Basics

Value: -6860 → -6859 → -6858

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 19 ³

Divisors: 1, 19, 361, 6859

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: -1101011001011

Octal: -15313

Duodecimal: -3B77

Hexadecimal: -1acb

Square: 47045881

Square Root: 82.8190799272728

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

Dirichlet g.f.: 1 / ζ(s-3). A334659

a(1) = 1, a(2) = -9; a(n) = -n³ * ∑_{d∣n, d < n} a(d) / d³. A359531

Coefficients in expansion of Jacobi theta₁'''(0). A178737

The cubes: a(n) = n³. A578

1 and the prime powers p^m where m >= 2, thus excluding the primes. A25475

Cubes of primes. A30078

Prime powers p^e where p is a prime and e >= 2 (prime powers without the primes or 1). A246547

3-full (or cube-full, or cubefull) numbers: if a prime p divides n then so does p³. A36966

Prime shift array: Square array read by antidiagonals: A(1,col) = 2·col, and for row > 1, A(row,col) = A003961(A(row-1,col)). A246278

Numbers of the form p^e where both p and e are prime numbers. A53810