Properties of the Number 42450

Forty-Two Thousand Four Hundred Fifty

Basics

Value: 42449 → 42450 → 42451

Parity: even

Prime: No

Previous Prime: 42443

Next Prime: 42451

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 ² × 283

Divisors: 1, 2, 3, 5, 6, 10, 15, 25, 30, 50

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010111010010

Octal: 122722

Duodecimal: 20696

Hexadecimal: a5d2

Square: 1802002500

Square Root: 206.03397778036515

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) is the smallest integer >= a(n-1) such that prime(n)*2^a(n)-1 is a prime number. A258868

Number of odd parts in the partitions of n into 8 parts. A309628

Number of nonempty subsets of {1,2,...,n} in which exactly 3/4 of the elements are <= (n+2)/3. A48075

Number of nonempty subsets of {1,2,...,n} in which exactly 3/4 of the elements are <= (n+3)/3. A48086

Numbers n such that 41·2ⁿ-1 is prime. A50546

Number of K₄-free Berge perfect graphs on n nodes. A123429

Numerators of continued fraction convergents to sqrt(753). A42450