there is the very well-known one it goes whats person 2"you stupid" person 1 "im not stupid" person 2 "ok whats 9+10"person 1 "21!" person 2 "you stupid"
You can be any age over 17.
4/4 equals 1, so you can make practically any whole number from 4s. Just keep adding 4/4 together!
21 Spots on a Die
21 spots on a dice
Ballad
The Fantastic Journey - 1977 Riddles 1-9 was released on: USA: 21 April 1977
TV's Bloopers and Practical Jokes - 1984 1984-05-21 was released on: USA: 21 May 1984
21 and any multiple of 21.
The Impersonator's Jokes - 1908 was released on: USA: 21 October 1908
Any number can be multiplied by 21
It can be if the first number is x + 21 and the second is x for any number x.
No, it is not possible. Every multiple of 21 is a composite number. 21 is a composite number and its factors are 1, 3, 7 and 21(4 factors). Any multiple of 21 must have all the factors of 21. So, every multiple of 21 has at least 4 factors. And a prime number has only two factors so, any multiple of 21 can't be prime.
Any of its factors which are: 1, 3, 7 and 21
1, 3, 7, 21.
Undefined: You cannot divide by zero
All multiples of 21, which is an infinite number.
A prime number is any integer evenly divisible by only itself, and the number 1. Since 21 is divisible by 3 and 7, it is a composite number, not a prime number.No, 21 is not a prime number.21 is divisible by 1, 3, 7, & 21No. 21=3*7