Properties of the Number -129530

One Hundred Twenty-Nine Thousand Five Hundred Thirty

Basics

Value: -129531 → -129530 → -129529

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 12953

Divisors: 1, 2, 5, 10, 12953, 25906, 64765, 129530

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111100111111010

Octal: -374772

Duodecimal: -62B62

Hexadecimal: -1f9fa

Square: 16778020900

Square Root: 359.90276464623054

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

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 2 3 4 6 or 7. A252269

Engel expansion of 1/γ, (γ is the Euler-Mascheroni constant A001620) = 1.73245. A59191

Number of (n+2) X (2+2) 0..3 arrays with every 3 X 3 subblock row, column, diagonal and antidiagonal sum not equal to 2 3 4 6 or 7. A252263

Coefficient of x² in polynomial whose zeros are 5 consecutive primes starting with the n-th prime. A125270