Some interesting facts about numbers

1. 4 is the only number in the English language equal to the number of letters it has.
2. If you spell all the numbers and try to find letter “A” you will have to count to ThousAnd.
3. The number 5 is the only prime number which can be expressed both as sum and difference of two primes i.e. 5=2+3=7-2
4. All prime numbers, except 2 are odd numbers