Properties of the Number 15244

Fifteen Thousand Two Hundred Forty-Four

Basics

Value: 15243 → 15244 → 15245

Parity: even

Prime: No

Previous Prime: 15241

Next Prime: 15259

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 37 × 103

Divisors: 1, 2, 4, 37, 74, 103, 148, 206, 412, 3811

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11101110001100

Octal: 35614

Duodecimal: 89A4

Hexadecimal: 3b8c

Square: 232379536

Square Root: 123.46659467240522

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

Numbers n such that 7ⁿ + 10 is prime. A217132

a(n) = ((4+3·sqrt(2))*(3+sqrt(2))ⁿ + (4-3·sqrt(2))*(3-sqrt(2))ⁿ)/4. A164033

p-INVERT of (0,1,0,1,0,1,...), where p(S) = (1 - S)⁴. A291224

Numbers k such that sopfr(k) = τ(k)². A305026

Continued fraction expansion of constant defined in A100939. A100940

Number of 5-step left-handed knight's tours (moves only out two, left one) on an n X n board summed over all starting positions. A187175

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 219", based on the 5-celled von Neumann neighborhood. A270932

Number of 2 X 2 matrices with all terms in {-n,...,0,...,n} and (sum of terms) = permanent. A280914

The number of non-palindromic Motzkin paths of length n. A290265

Starting at n, a(n) is the number of times we move from a positive spot to a spot we have already visited according to the following rules. On the k-th step (k=1,2,3,...) move a distance of k in the direction of zero. If the number landed on has been landed on before, move a distance of k away. A324684