Properties of the Number -730

Seven Hundred Thirty

Basics

Value: -731 → -730 → -729

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 73

Divisors: 1, 2, 5, 10, 73, 146, 365, 730

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: -1011011010

Octal: -1332

Duodecimal: -50A

Hexadecimal: -2da

Square: 532900

Square Root: 27.018512172212592

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 e.g.f. sin(log(1+x)). A9454

Real part of ∏_k=1..n (k+i), where i is the imaginary unit. A231530

Define u(n) as in A220448; then a(1)=1, thereafter a(n) = u(n)*a(n-1). A220449

Imaginary part of ∏_k=0..n (i-k), where i=sqrt(-1). A242652

Reversion of Euler totient function A000010. A50391

Coefficients of the A-Rogers-Selberg identity. A104408

Coefficients of the B-Rogers-Selberg identity. A104409

First term of n-th difference sequence of (floor(k·r)), r = sqrt(7), k >= 0. A325672

Expansion of (1-x)/(1+2·x+x²+x³). A78065

Coefficients of polynomials B(x,n) = ((1+a+b)*x - c)*B(x,n-1) - a·b*B(x,n-2) where B(x,0) = 1, B(x,1) = x, a=-b, b=1, c=1. A136531