Properties of the Number -15306

Fifteen Thousand Three Hundred Six

Basics

Value: -15307 → -15306 → -15305

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 2551

Divisors: 1, 2, 3, 6, 2551, 5102, 7653, 15306

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11101111001010

Octal: -35712

Duodecimal: -8A36

Hexadecimal: -3bca

Square: 234273636

Square Root: 123.71741995369932

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

E.g.f. satisfies y'' + y' + x³*y = 0 with y(0)=1, y'(0)=0. A318237

a(n) = a(n-1) + a(n - 1 - number of even terms so far). A6336

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001011. A260284

Numbers which are the sum of their proper divisors containing the digit 5. A59464

Numbers k with the property that p = k² - 13 and q = k² + 13 are consecutive primes. A248785

Numbers n such that 4n + 1, 4n + 2 and 4n + 3 are not squarefree. A258332

Triangle T(n,k): the coefficient of [x^k] of the series -(x-1)^2·n+1 *∑_j>=0 (j+1)ⁿ *binomial(j,n) * x^j-n; columns 0<=k<n. A155163

Triangle of coefficients of the numerator polynomials of the rational o.g.f.'s of the diagonals of A059297. A202017

Numbers k such that the k-th triangular number contains only digits {1,4,7}. A119127

a(1)=1, a(2)=1. a(n) = the sum of the two largest earlier terms which are both coprime to n. A122457