Properties of the Number -284130

Two Hundred Eighty-Four Thousand One Hundred Thirty

Basics

Value: -284131 → -284130 → -284129

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 7 × 11 × 41

Divisors: 1, 2, 3, 5, 6, 7, 9, 10, 11, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000101010111100010

Octal: -1052742

Duodecimal: -118516

Hexadecimal: -455e2

Square: 80729856900

Square Root: 533.03846015086

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 ∏_k>=1 (1 - x^k)¹⁵. A10822

Least common multiple of all (k+1)'s, where the k's are the positive divisors of n. A57643

Least positive integer k such that k and k·n are terms of A259539. A259540

a(n) = σ(n)*Fibonacci(n), where σ(n) = A000203(n), the sum of divisors of n. A203848

Triangle read by rows: T(n,k) is the number of labeled commutative semigroups of order n with k idempotents. A58167

a(n) = 169·n² + n. A173275

Averages k of twin prime pairs such that A075255(k) is also the average of a twin prime pair. A340570

Denominators of coefficients in expansion of e.g.f. x / (1 + 2·x - exp(x)). A347427

a(n) = (2^n-1/(2n)!)*∏_k=1..n q(k) where q(n) is the denominator of B(2n), the 2n-th Bernoulli number. A69267