Properties of the Number 42443

Forty-Two Thousand Four Hundred Forty-Three

Basics

Value: 42442 → 42443 → 42444

Parity: odd

Prime: Yes

Previous Prime: 42437

Next Prime: 42451

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 42443

Divisors: 1, 42443

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010111001011

Octal: 122713

Duodecimal: 2068B

Hexadecimal: a5cb

Square: 1801408249

Square Root: 206.0169895906646

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)=a(n-1)+a(m), where m=2n-2-2^p+1 and 2^p<n-1<=2^p+1, for n >= 4. A50063

Primes having only {2, 3, 4} as digits. A199342

Primes p such that 2^p-1 and the p-th Fibonacci number have a common factor. Prime terms of A074776. A80050

Primes for which the sum of all preceding odd-indexed prime gaps is exactly one greater than the sum of all preceding even-indexed prime gaps. A282178

n written in fractional base 6/4. A24637

Primes p(k) such that the product of digits of p(k) equals the product of digits of k. A66521

Evaluate n⁴ - 93n³ + 3196n² - 48008n + 265483 for n >= 0, record the primes. A95974

Value of C in y = x²+7x+C such that y is prime for all x = 0 to 4. A97436

Initial primes of 5 consecutive primes with consecutive gaps 8,6,4,2. A289907

Union of 2, A282178, and A330339. A330554