Properties of the Number 15388

Fifteen Thousand Three Hundred Eighty-Eight

Basics

Value: 15387 → 15388 → 15389

Parity: even

Prime: No

Previous Prime: 15383

Next Prime: 15391

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 3847

Divisors: 1, 2, 4, 3847, 7694, 15388

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11110000011100

Octal: 36034

Duodecimal: 8AA4

Hexadecimal: 3c1c

Square: 236790544

Square Root: 124.04837765968566

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) = (p(n)*p(n+2) - 3·p(n+1))/2, where p(n) is the n-th odd prime. A152529

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 118", based on the 5-celled von Neumann neighborhood. A278953

a(0)=0, a(1)=1; and a(n) = a(n-1) + a(a(n-1) mod n) for n>=2. A125204

Number of aperiodic necklaces (Lyndon words) with k<=5 black beads and n-k white beads. A277629

Coordination sequence for MgZn2, Mg position. A9939

Number of essentially different semi-magic squares of order 3 with semimagic sum n. A122751

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 1, -1), (1, 0, 1), (1, 1, 1)}. A150973

Gaussian binomial coefficient [ n,10 ] for q=-3. A15388

Irregular triangle read by rows: T(n,k) is the number of reduced anti-palindromic compositions of n of length k, n >= 0, 0 <= k <= floor((2·n+1)/3). A354787

Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302967