Properties of the Number 24442

Twenty-Four Thousand Four Hundred Forty-Two

Basics

Value: 24441 → 24442 → 24443

Parity: even

Prime: No

Previous Prime: 24439

Next Prime: 24443

Digit Sum: 16

Digital Root: 7

Palindrome: Yes

Factorization: 2 × 11 ² × 101

Divisors: 1, 2, 11, 22, 101, 121, 202, 242, 1111, 2222

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101111101111010

Octal: 57572

Duodecimal: 1218A

Hexadecimal: 5f7a

Square: 597411364

Square Root: 156.33937443907084

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 compositions of n into prime parts. A23360

a(1) = 2, a(n) = smallest palindromic multiple of a(n-1) obtained by inserting digits anywhere in a(n-1). A82777

Numbers n such that primorial(n)/2 - 64 is prime. A139448

a(n) = smallest palindrome > a(n-1) such that a(1)*a(2)*...*a(n) - 1 is a prime. A51954

Expansion of x*(11 + 22·x + 20·x²)/((1-x)*(1+x)*(1 - 10·x²)). A94620

Expansion of g.f. x*(2+22·x+11·x²)/((x-1)*(1+x)*(10·x²-1)). A94625

a(n) = A023360(A000040(n)): number of compositions of prime(n) into prime parts. A265112

a(n) = a(n-1) + rotate(a(n-1), n-2 digits right) with a(1) = 1. A374731

Palindromes with exactly 4 palindromic prime factors (counted with multiplicity). A46378

n sets a new record for the number of integers k such that k is not of the form m + reverse(m) for any m and n occurs in the 'Reverse and Add' trajectory of k (cf. A067284). A67287