Properties of the Number 15236

Fifteen Thousand Two Hundred Thirty-Six

Basics

Value: 15235 → 15236 → 15237

Parity: even

Prime: No

Previous Prime: 15233

Next Prime: 15241

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 13 × 293

Divisors: 1, 2, 4, 13, 26, 52, 293, 586, 1172, 3809

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11101110000100

Octal: 35604

Duodecimal: 8998

Hexadecimal: 3b84

Square: 232135696

Square Root: 123.43419299367578

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) = Farey(m; I) where m = Fibonacci(n + 1) and I = [1/n, 1]. A176501

Indices n such that the 3 X 3 matrix with components (row by row) prime(n+k), 0 <= k <= 8, has zero determinant. A117345

Number of columns in the character table of the symmetric group S_n that have zero sum. A85642

a(n) = n·prime(prime(n)) - prime(n)². A230098

Denominators of continued fraction convergents to sqrt(127). A41231

Expansion of 2/((x+3)*sqrt(-3·x²-2·x+1)+3·x²+2·x-1). A189832

Number of n X 4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 0,2,1,3,4 for x=0,1,2,3,4. A196134

E.g.f. satisfies: A(x) = exp(x·A(2·x)^1/2). A196734

Number of length n+3 0..3 arrays with no pair in any consecutive four terms totalling exactly 3. A246474

Numbers k such that 2·k*3^k + 1 is prime. A266694