Properties of the Number 7241

Seven Thousand Two Hundred Forty-One

Basics

Value: 7240 → 7241 → 7242

Parity: odd

Prime: No

Previous Prime: 7237

Next Prime: 7243

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 13 × 557

Divisors: 1, 13, 557, 7241

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1110001001001

Octal: 16111

Duodecimal: 4235

Hexadecimal: 1c49

Square: 52432081

Square Root: 85.09406559801923

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

Number of asymmetric trees with n nodes (also called identity trees). A220

Number of strict compositions of n with all adjacent parts (x, y) satisfying x <= 2y and y <= 2x. A342342

Number of partitions of n where the difference between consecutive parts is at most 6. A238866

Number of cyclic subgroups of the group C_n x C_n x C_n x C_n, where C_n is the cyclic group of order n. A280184

Numbers n such that sopf(φ(n)) = φ(sopf(n)), where sopf(x) = sum of the distinct prime factors of x. A76531

A185128(n) is the a(n)-th triangular number. A185223

Sum of the first n primes whose indices are primes. A83186

a(n) = n³ - 2·n² + 2·n + 1. A188947

a(n) is the number of 5 element sets of distinct integer-sided trapezoids whose base angles are 60 degrees that fill an equilateral triangle of side n units having three vertices of a trapezoid inside the triangle. A391039

Start with 1015 and repeatedly reverse the digits and add 4 to get the next term. A117807