Properties of the Number 13519

Thirteen Thousand Five Hundred Nineteen

Basics

Value: 13518 → 13519 → 13520

Parity: odd

Prime: No

Previous Prime: 13513

Next Prime: 13523

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 11 × 1229

Divisors: 1, 11, 1229, 13519

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010011001111

Octal: 32317

Duodecimal: 79A7

Hexadecimal: 34cf

Square: 182763361

Square Root: 116.27123461974591

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

a(n) = 20·n² - 1. A158491

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n), where a(0) = 1, a(1) = 2, b(0) = 3, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A295949

a(n) = 1331·n - 1122. A157441

Number of consecutive prime runs of 6 primes congruent to 1 mod 4 below 10ⁿ. A92651

a(n) = 338·n - 1. A157999

a(n) = 676·n - 1. A158393

a(n) = 80·n² - 1. A158774

a(n) = a(n-2) + a(n-1) + floor(n/2) + 1 for n > 1 and a(0)=0, a(1)=1. A215005

a(n) is the number of primes occurring between A053182(n) and A053183(n) (excluding the endpoints). A238399

a(n) is obtained by applying the map k -> composite(k) n times, starting at n. A280327