Properties of the Number -790

Seven Hundred Ninety

Basics

Value: -791 → -790 → -789

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 79

Divisors: 1, 2, 5, 10, 79, 158, 395, 790

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100010110

Octal: -1426

Duodecimal: -55A

Hexadecimal: -316

Square: 624100

Square Root: 28.106938645110393

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,q) = sqrt( Q(x,q) / Q(x,-q) ), where Q(x,q) = ∑_n=-oo..+oo (x - qⁿ)ⁿ. A292929

a(1) = 0, a(2) = -2; for n > 2, a(n) + a(n-2) - a(n-3) - a(n-5) - ... - a(n-p) = (-1)ⁿ⁺¹*n if n is prime, otherwise = 0, where p = largest prime < n. A2120

Row 4 in rectangular array A292929. A294067

a(n) = n² - (n-1)² - (n-2)² - ... - 1². A179297

Expansion of x²*(-3+4·x)/(1-x³+x⁴). A110061

G.f.: (1 - x/(1 - x²/(1 - x³/(1 - x⁴/(1 - ...))))) / (1 + x/(1 + x²/(1 + x³/(1 + x⁴/(1 + ...))))), a continued fraction. A285635

McKay-Thompson series of class 32d for the Monster group. A112172

Fluctuations of the number of cubefree integers not exceeding 2ⁿ. A160115

Expansion of 1/(1 + x + x/(1 + x² + x²/(1 + x³ + x³/(1 + x⁴ + x⁴/(1 + ...))))), a continued fraction. A292854

Reciprocals of the deviation of continued fraction convergents from π. A171245