Printable Dotted Number 4 Tracing Pdf Worksheet
4 (four) is a number, numeral and digit. It is the natural number following 3 and preceding 5. It is the smallest composite number and is considered unlucky in many East Asian cultures. Four is the smallest composite number, its proper divisors being 1 and 2. 4 is the smallest squared prime and the only even number in this form. 4 is also the only square one more than a prime number.