Properties of the Number -10187

Ten Thousand One Hundred Eighty-Seven

Basics

Value: -10188 → -10187 → -10186

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 61 × 167

Divisors: 1, 61, 167, 10187

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10011111001011

Octal: -23713

Duodecimal: -5A8B

Hexadecimal: -27cb

Square: 103774969

Square Root: 100.93066927351666

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

G.f. A(x) satisfies A(x) = 1/( 1 + x*(1 - 4·x*A(x))^1/2 ). A372012

The numerators of a series that converges to the ω constant (A030178) obtained using Whittaker's root series formula. A370491

a(n) = n³ - 4·n² + 6·n - 2. A188377

Triangle read by rows where T(n,k) is the number of unlabeled connected multigraphs with loops with n edges and k vertices. A322115

T(n,k) = 2·A046802(n,k) - A007318(n,k), triangle read by rows (0 <= k <= n). A168287

Sum over all partitions of n of the bitwise AND of the parts. A306901

G.f.: ( 1 - x² - sqrt( 1 - 2·x² - 4·x³ - 3·x⁴ ) ) / ( 2·x³ ). A50253

Row sums of triangle A132623. A208678

a(n) = ∑_i=0..n digsum₆(i)⁴, where digsum₆(i) = A053827(i). A231675

Total number of parts that are neither the smallest part nor the largest part in all partitions of n. A182977