Properties of the Number 39188

Thirty-Nine Thousand One Hundred Eighty-Eight

Basics

Value: 39187 → 39188 → 39189

Parity: even

Prime: No

Previous Prime: 39181

Next Prime: 39191

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 97 × 101

Divisors: 1, 2, 4, 97, 101, 194, 202, 388, 404, 9797

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001100100010100

Octal: 114424

Duodecimal: 1A818

Hexadecimal: 9914

Square: 1535699344

Square Root: 197.9595918363139

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

Coordination sequence for (2,4,6) tiling of hyperbolic plane. A265061

Number of triangles in an n X n unit grid that have minimal possible area (of 1/2). A88658

Number of symmetrical planar partitions of n (planar partitions (A000219) that when regarded as 3-D objects have just one symmetry plane). A784

a(n) = ∑_{i=1..n, j=1..n, gcd(i,j)=2} (n+1-i)*(n+1-j). A331761

T(n,k) is the number of (n+1) X (k+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings). A234549

Number of (n+1) X (2+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings). A234544

Number of (n+1) X (3+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings). A234545

Number of (n+6)X(n+6) 0..1 matrices with each 7X7 subblock idempotent. A224580

T(n,k)=Number of (n+6)X(k+6) 0..1 matrices with each 7X7 subblock idempotent. A224588

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock diagonal minus antidiagonal sum nondecreasing horizontally and vertically. A253159