Properties of the Number -789

Seven Hundred Eighty-Nine

Basics

Value: -790 → -789 → -788

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 263

Divisors: 1, 3, 263, 789

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100010101

Octal: -1425

Duodecimal: -559

Hexadecimal: -315

Square: 622521

Square Root: 28.089143810376278

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

G.f. A(x) satisfies: A(x) = 1 - x·A(x/(1 - x)) / (1 - x)⁵. A346060

Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 3·x, p(n,x) = u·p(n-1,x) + v·p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - 3·x - 2·x². A368155

Riordan array, inverse of (1/(1-x²), x/((1-x)*(1-x²))). A188317

Number of "ON" cells at n-th stage in the "Ulam-Warburton" two-dimensional cellular automaton. A147562

Coordination sequence for "tea" 3D uniform tiling. A299285

Partial sums of sequence of odd primes (A065091); a(n) = sum of the first n odd primes. A71148

Numbers that are the sum of 5 positive 4th powers. A3339

a(n) = m*(2^e) + ((4^e)-1)/3, where m = 3n+1, and e is the 2-adic valuation of m. A371094

Expansion of 1 + ∑_k>0 x^k^2/((1-x)(1-x²)...(1-x^2k)). A122129

Triangle read by rows giving number of arrangements of k dumbbells on 2 X n grid (n >= 0, k >= 0). A46741