Properties of the Number 13612

Thirteen Thousand Six Hundred Twelve

Basics

Value: 13611 → 13612 → 13613

Parity: even

Prime: No

Previous Prime: 13597

Next Prime: 13613

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 41 × 83

Divisors: 1, 2, 4, 41, 82, 83, 164, 166, 332, 3403

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11010100101100

Octal: 32454

Duodecimal: 7A64

Hexadecimal: 352c

Square: 185286544

Square Root: 116.67047612828192

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

Numbers k such that k² divides 9^k - 1. A127101

a(n) = 4·n*(2·n + 1). A33586

Numbers k such that k³ divides 3^k² - 1. A129211

a(n) = (n+2)*2^2·n-1 - (n/2)*binomial(2·n,n). A3583

Sum of next n composite numbers. A72475

Number of primitive roots modulo prime(n)², where prime(n) is n-th prime. A104039

Least common multiple of 5·n+1 and 5·n-1. A282285

Column 8 of triangle A055907. A55914

2n⁴+6n²+4 = 2(n²+1)(n²+2). A120571

Number of maximal directed trails in the labeled n-ladder graph P₂ X P_n. A135443