Properties of the Number -309136

Three Hundred Nine Thousand One Hundred Thirty-Six

Basics

Value: -309137 → -309136 → -309135

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ⁴ × 139 ²

Divisors: 1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1001011011110010000

Octal: -1133620

Duodecimal: -12AA94

Hexadecimal: -4b790

Square: 95565066496

Square Root: 556

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..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum one. A255082

Squares that remain squares if you decrease them by a repunit with the same number of digits. A273229

a(n) = 2·5ⁿ - (1+2i)²ⁿ - (1-2i)²ⁿ where i = sqrt(-1). A250102

Number of (n+2)X(2+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum one. A255076

Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum one and no antidiagonal sum one. A255079

Number of nX7 0..1 arrays with every element unequal to 2 or 3 horizontally or vertically adjacent elements, with upper left element zero. A303635