Properties of the Number -7930

Nine Hundred Thirty

Basics

Value: -7931 → -7930 → -7929

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 13 × 61

Divisors: 1, 2, 5, 10, 13, 26, 61, 65, 122, 130

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111011111010

Octal: -17372

Duodecimal: -470A

Hexadecimal: -1efa

Square: 62884900

Square Root: 89.05054744357274

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

Number of positive subset sums of integer partitions of n. A276024

Numbers m that are the hypotenuse of exactly 13 distinct integer-sided right triangles, i.e., m² can be written as a sum of two squares in 13 ways. A97102

Number of solutions to +-1 +- 3 +- 5 +- 7 +- ... +- (4·n-1) = 0. A292476

Triangle T, read by rows, that satisfies: T(n,k) = [T²](n-1,k) for n>k+1>=1, with T(n,n) = 1 and T(n+1,n) = n+1 for n>=0, where T² is the matrix square of T. A109152

Related to the minimal number of periodic orbits of periods guaranteed by Sharkovskii's theorem. A130628

a(n) = 250·n - 70. A154361

Numbers k such that k concatenated with k-6 gives the product of two numbers which differ by 5. A116118

Denominators of Hurwitz numbers H_n (coefficients in expansion of Weierstrass P-function). A47817

Numbers k such that k concatenated with k-2 gives the product of two numbers which differ by 3. A116143

Numbers k such that k concatenated with itself gives the product of two numbers which differ by 1. A116154