Properties of the Number -186368

One Hundred Eighty-Six Thousand Three Hundred Sixty-Eight

Basics

Value: -186369 → -186368 → -186367

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 ¹¹ × 7 × 13

Divisors: 1, 2, 4, 7, 8, 13, 14, 16, 26, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101100000000000

Octal: -554000

Duodecimal: -8BA28

Hexadecimal: -2d800

Square: 34733031424

Square Root: 431.70360202342533

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. C(x,k) satisfying C(x,k) = cos( x·cos(k·x*C(x,k)) ), as a triangle read by rows. A370330

Expansion of e.g.f. D(x,k) satisfying D(x,k) = cos( k·x*cos(x·D(x,k)) ), as a triangle read by rows. A370332

Sequence associated with a(n) = 2·a(n-1) + k*(k+2)*a(n-2). A80929

Factorial splitting: write n! = x·y*z with x<y<z and·maximal and z is minimal; sequence gives value of z. A61032

Number of tilings of a 5 X n rectangle using n pentominoes of shapes F, U, N. A234931

Expansion of e.g.f. C(x,k) satisfying C(x,k) = cosh( x·cosh(k·x*C(x,k)) ), as a triangle read by rows. A370430

Expansion of e.g.f. D(x,k) satisfying D(x,k) = cosh( k·x*cosh(x·D(x,k)) ), as a triangle read by rows. A370432

Let sigma_m (n) be result of applying sum-of-divisors function m times to n; call n (m,k)-perfect if sigma_m (n) = k·n; sequence gives the (3,k)-perfect numbers. A19292

a(n) = 2^n-2*binomial(n+1,2). A52482

Number of ternary Lyndon words with exactly four 1's. A124722