Properties of the Number 42673

Forty-Two Thousand Six Hundred Seventy-Three

Basics

Value: 42672 → 42673 → 42674

Parity: odd

Prime: No

Previous Prime: 42667

Next Prime: 42677

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 139 × 307

Divisors: 1, 139, 307, 42673

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011010110001

Octal: 123261

Duodecimal: 20841

Hexadecimal: a6b1

Square: 1820984929

Square Root: 206.5744417879424

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+3) = -a(n+2) + 2a(n+1) + a(n) with a(0)=-1, a(1)=0, a(2)=-3. A214683

a(n) = 5·a(n-1) - 6·a(n-2) + a(n-3) with a(0)=1, a(1)=0, a(2)=-2. A215695

Least k such that gcd(prime(k+1)-1, prime(k)-1) = 2n. A67605

a(n) = n! [xⁿ] W(-W(x))/(-W(x)), where W(x) is the Lambert W function. A340473

Position of second appearance of 2n in the sequence of prime gaps A001223; if 2n does not appear at least twice, a(n) = -1. A356221

Expansion of e.g.f. x/(1 - x) + exp(x/(1 - x)). A52866

Numbers with all different digits such that each digit leaves the same nonzero remainder when each is divided into the number. A152852

Denominators of continued fraction convergents to sqrt(866). A42673