Properties of the Number -18141

Eighteen Thousand One Hundred Forty-One

Basics

Value: -18142 → -18141 → -18140

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 6047

Divisors: 1, 3, 6047, 18141

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100011011011101

Octal: -43335

Duodecimal: -A5B9

Hexadecimal: -46dd

Square: 329095881

Square Root: 134.68852957843143

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

Sum of the n-th maximal antirun of odd primes differing by more than two. A373405

Theorems from propositional calculus, translated into decimal digits. A101273

Solution (a(n)) of the complementary equation a(n) = 2·a(n-1) - a(n-2) + b(n); see Comments. A305129

Triangle read by rows: T(n,k) is the number of k-matchings in the C_n X P₃ graph (C_n is the cycle graph on n vertices and P₃ is the path graph on 3 vertices). A102089

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2)*b(n-1), where a(0) = 2, a(1) = 4, b(0) = 1, b(1) = 3, and (a(n)) and (b(n)) are increasing complementary sequences. A296264

Integers k such that 511·2^k - 1 is prime. A387925

G.f. A(x) satisfies A( x² + 2·x³ + 2·A(x)² ) = 3·A(x)². A389474

Egyptian fraction representation for the cube root of 49. A132524