Properties of the Number 13188

Thirteen Thousand One Hundred Eighty-Eight

Basics

Value: 13187 → 13188 → 13189

Parity: even

Prime: No

Previous Prime: 13187

Next Prime: 13217

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 7 × 157

Divisors: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11001110000100

Octal: 31604

Duodecimal: 7770

Hexadecimal: 3384

Square: 173923344

Square Root: 114.83901775964473

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

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A253993

Numbers that are the sum of eight fourth powers in seven or more ways. A345582

Numbers that are the sum of eight fourth powers in exactly seven ways. A345839

Triangle read by rows: T(m,n) (m >= n >= 1) = number of regions formed by drawing the line segments connecting any two of the (m+1) X (n+1) lattice points in an m X n grid of squares and extending them to the boundary of the grid. A333282

Representation degeneracies for boson strings. A5290

Number of partitions p of n such that median(p) = multiplicity(max(p)). A240209

Table where row n lists the coefficients in the (2ⁿ)-th iteration of x+x² for n>=0, read by antidiagonals not including trailing zeros in rows. A158264

Number of tilings of a 10 X n rectangle using 2n pentominoes of shape I. A247117

Greatest number m with A088444(m) = n. A88448

Positions of -2's in A346242. A354822