Properties of the Number 13938

Thirteen Thousand Nine Hundred Thirty-Eight

Basics

Value: 13937 → 13938 → 13939

Parity: even

Prime: No

Previous Prime: 13933

Next Prime: 13963

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 23 × 101

Divisors: 1, 2, 3, 6, 23, 46, 69, 101, 138, 202

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11011001110010

Octal: 33162

Duodecimal: 8096

Hexadecimal: 3672

Square: 194267844

Square Root: 118.05930712993364

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) is the smallest number·such that gcd(prime(x)+1,x+1) = n. A84316

a(n) = ∑_{k=0..floor(n/2)} binomial(k+2,2) * binomial(k,3*(n-2·k)). A392255

Coordination sequence for Cr3Si, Si position. A9927

a(n) = ∑_{1<=k<=n, gcd(k,n)=1} Fibonacci(k). A70964

Number of partitions p of n such that (number of numbers of the form 3k+1 in p) is a part of p. A241547

a(0) = 0, a(1) = 1 and for n >= 2, a(n) = floor(sqrt(2 * (a(n-2)² + a(n-1)²))). A93332

Structured tetragonal anti-prism numbers. A100182

a(n) = 3*(n+1)*(9·n+4). A304503

a(n) = 1·4*7 + 4·7*10 + 7·10·13 + ... (n terms). A196513

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 493", based on the 5-celled von Neumann neighborhood. A272545