Properties of the Number 13659

Thirteen Thousand Six Hundred Fifty-Nine

Basics

Value: 13658 → 13659 → 13660

Parity: odd

Prime: No

Previous Prime: 13649

Next Prime: 13669

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 29 × 157

Divisors: 1, 3, 29, 87, 157, 471, 4553, 13659

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11010101011011

Octal: 32533

Duodecimal: 7AA3

Hexadecimal: 355b

Square: 186568281

Square Root: 116.87172455303293

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 k and 7·k are anagrams. A23091

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order. A185477

Number of ways 1/n can be expressed as the sum of four distinct unit fractions: 1/n = 1/w + 1/x + 1/y + 1/z satisfying 0 < w < x < y < z. A241883

Numbers m such that m! + p is a prime, where p is the smallest prime > m. A84749

Numbers·whose digits can be permuted to produce a multiple of x. A245680

a(n) = greatest k such that A155043(k+A262509(n)) < A155043(A262509(n)). A262909

Numbers n such that (14ⁿ-1)²-2 is prime. A100905

Smallest number that takes n steps to reach 0 under "k->min product of 2 numbers whose concatenation is k". A35933

a(n) = 27·n²/2 + 45·n/2 - 12 (n>=1). A304375

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 17 ones. A31785