Properties of the Number 13639

Thirteen Thousand Six Hundred Thirty-Nine

Basics

Value: 13638 → 13639 → 13640

Parity: odd

Prime: No

Previous Prime: 13633

Next Prime: 13649

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 23 × 593

Divisors: 1, 23, 593, 13639

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010101000111

Octal: 32507

Duodecimal: 7A87

Hexadecimal: 3547

Square: 186022321

Square Root: 116.78612931337351

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 that are the sum of 9 nonzero 8th powers. A3387

Number of starting positions of Nim with 2n pieces such that 2nd player wins. Partitions of 2n such that xor-sum of partitions is 0. A48833

a(n) = 4·a(n-1) - 9·a(n-2), with a(0)=0, a(1)=1. A190967

a(n) = n*(2·n² + 5·n + 13)/2. A163655

Zeroless numbers n with digits d₁, d₂, ... d_k such that d₁³ + ... + d_k³ is a cube. A254960

Numbers of espalier polycubes of a given volume in dimension 4. A229917

a(n) = number of n-digit binary numbers in which the first k and last k digits have a Hamming distance of 1 or less, for all k from 1 to n. A288793

a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = 2^p+1 + 2 - n and p is the smallest integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1, a(2) = 2, and a(3) = 3. A49909

Moebius transform of A000011 (starting at term 0). A54183

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 0), (0, 1, -1), (1, -1, -1), (1, 0, 1)}. A148781