Properties of the Number 13516

Thirteen Thousand Five Hundred Sixteen

Basics

Value: 13515 → 13516 → 13517

Parity: even

Prime: No

Previous Prime: 13513

Next Prime: 13523

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 31 × 109

Divisors: 1, 2, 4, 31, 62, 109, 124, 218, 436, 3379

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11010011001100

Octal: 32314

Duodecimal: 79A4

Hexadecimal: 34cc

Square: 182682256

Square Root: 116.25833303466896

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

The n-th n-gonal number: a(n) = n*(n² - 3·n + 4)/2. A60354

Fundamental discriminants of real quadratic number fields with class number 10. A218160

Rotating digits of a(n)² right once still yields a square. A45877

Binary encoding of balanced ordered rooted trees (counted by A007059). A358524

Numerator of h(n) which is the minimum among the maxima of period n cycles of T(x) = 1 - 2 * |x-1/2|. A385706

Denominators of continued fraction convergents to sqrt(374). A41709

Number of partitions of n with product of multiplicities of parts equal to 8. A266691

Number of n X 4 0..1 arrays with every element equal to 0, 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero. A298290

Numbers k such that sopfr(k) = τ(k)². A305026

Numbers n such that sum of squares of even digits of n equals sum of squares of odd digits of n. A76164