Properties of the Number 14139

Fourteen Thousand One Hundred Thirty-Nine

Basics

Value: 14138 → 14139 → 14140

Parity: odd

Prime: No

Previous Prime: 14107

Next Prime: 14143

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 1571

Divisors: 1, 3, 9, 1571, 4713, 14139

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11011100111011

Octal: 33473

Duodecimal: 8223

Hexadecimal: 373b

Square: 199911321

Square Root: 118.90752709563849

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

Number of partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that max(x(i) - x(i-1)) < number of parts of p. A241828

Matrix inverse of triangle A122178, where A122178(n,k) = C( n*(n+1)/2 + n-k - 1, n-k) for n>=k>=0. A121438

Expansion of x*(2 - x)/(1 - 5·x + 3·x² - x³). A361358

Numerator of ∑_k=1..n H(k)*H(n+1-k), where H(k) is the k-th harmonic number (∑_j=1..k 1/j). A130894

Numbers k such that k and k² use only the digits 1, 2, 3, 4 and 9. A136972

Numbers k such that 181·2^k-1 is prime. A50842

Numbers k such that (17·10^k - 77)/3 is prime. A273371

Number of conjugacy classes of subgroups of the group GL(2, Z_n) of invertible 2 X 2 matrices mod n. A364921

T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 001 and 110 in rows and columns. A202052

Inverse of 130th cyclotomic polynomial. A14139