Properties of the Number 23245

Twenty-Three Thousand Two Hundred Forty-Five

Basics

Value: 23244 → 23245 → 23246

Parity: odd

Prime: No

Previous Prime: 23227

Next Prime: 23251

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 4649

Divisors: 1, 5, 4649, 23245

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101101011001101

Octal: 55315

Duodecimal: 11551

Hexadecimal: 5acd

Square: 540330025

Square Root: 152.46311029229332

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 m such that the largest digit in the decimal expansion of 1/m is 4. A351470

Conjectured least number k such that prime(n) is the largest divisor of k³ + 1, or 0 if there is no such k. A223707

a(n) = a(n-1) + a(n-2) + a([n/3]) + a([2n/3]), where a(0) = 1, a(1) = 1, a(2) = 1. A298344

Numbers k such that k and k² use only the digits 0, 2, 3, 4 and 5. A136882

Numbers k such that (2·10^k - 197)/3 is prime. A295387

Primes that remain prime through 2 iterations of the function f(x) = 2x + 9. A23245

Number of (n+3)X(1+3) 0..3 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero. A230789

Number of nX2 0..3 arrays with no element less than a strict majority of its horizontal, vertical and antidiagonal neighbors. A231694