Properties of the Number -38186

Thirty-Eight Thousand One Hundred Eighty-Six

Basics

Value: -38187 → -38186 → -38185

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 61 × 313

Divisors: 1, 2, 61, 122, 313, 626, 19093, 38186

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001010100101010

Octal: -112452

Duodecimal: -1A122

Hexadecimal: -952a

Square: 1458170596

Square Root: 195.41238445912276

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 and diagonal sum equal to 0 2 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 4 6 or 7. A252433

G.f.: A(x) = ∑_n>=0 [ ∑_k>=1 (2ⁿ + 2^k)^k*x^k/k ]ⁿ / n!, a power series in·with integer coefficients. A156630

Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 4 6 or 7. A252432

Number of (3+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 4 6 or 7. A252436

Numbers whose base-2 representation has exactly 14 runs. A43581

a(n) = (5·n³+12·n²+n+6)/6. A114211