Properties of the Number 15241

Fifteen Thousand Two Hundred Forty-One

Basics

Value: 15240 → 15241 → 15242

Parity: odd

Prime: Yes

Previous Prime: 15233

Next Prime: 15259

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 15241

Divisors: 1, 15241

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11101110001001

Octal: 35611

Duodecimal: 89A1

Hexadecimal: 3b89

Square: 232288081

Square Root: 123.45444503945575

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 3ⁿ + 2^n-1 is prime. A82103

The number of vertices formed when every pair of n points, placed at the vertices of a regular n-gon, are connected by a circle and where the points lie at the ends of the circle's diameter. A358746

Least prime in A031936 (lesser of 18-twins) whose distance to the next 18-twin is 2·n. A52358

Primes p such that (p+1)/2 and (p+2)/3 are also primes. A36570

Primes p such that A001175(p) = (p-1)/4. A308789

Denominators of lower primes-only best approximates (POBAs) to π; see Comments. A265809

Denominators of primes-only best approximates (POBAs) to π; see Comments. A265813

Primes p such that p²-p-1 and p²-p+1 are twin primes. A120364

E.g.f. A(x) satisfies A(x) = exp( x * (1+x³) * A(x)² ). A390059

Main diagonal of triangle A103284, in which row n+1 is formed by sorting, in ascending order, the result of the convolution of row n with {1,1}. A103285