Properties of the Number 15249

Fifteen Thousand Two Hundred Forty-Nine

Basics

Value: 15248 → 15249 → 15250

Parity: odd

Prime: No

Previous Prime: 15241

Next Prime: 15259

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 × 17 × 23

Divisors: 1, 3, 13, 17, 23, 39, 51, 69, 221, 299

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 11101110010001

Octal: 35621

Duodecimal: 89A9

Hexadecimal: 3b91

Square: 232532001

Square Root: 123.48684140425651

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

3 times 11-gonal (or hendecagonal) numbers: a(n) = 3·n*(9·n-7)/2. A153783

a(n) = 10·n²+n. A55437

Number of 3 X 3 stochastic matrices under row and column permutations. A52282

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n), where a(0) = 1, a(1) = 4, b(0) = 2, b(1) = 3, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A295950

Structured tetrakis hexahedral numbers (vertex structure 5). A100174

Number of 2 X 2 matrices having all terms in {1,...,n} and determinant >= n. A211061

a(n) = n*((2·n + 1)*(2·n² + 2·n + 3) - 3*(-1)ⁿ)/24. A325517

a(n) = ((1+sqrt(5))*(4+sqrt(5))ⁿ + (1-sqrt(5))*(4-sqrt(5))ⁿ)/2. A162769

Riordan array (((1+x)/(1-x-x²))^m, x·A000108(x)), m=2. A185676

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 139", based on the 5-celled von Neumann neighborhood. A270280