427 = 42 tens, plus 7 ones
0 or 5
Only one positive prime number has a 5 in the ones digit. That prime number is 5. All other numbers with a 5 in the ones digit are composite because they will be divisible by 5.
97The only candidates are 64, 75, 86, and 97. 97 is the only prime in that group.
Yes except for 2 on its own which is the only even prime number
32 is an even number (look at the ones place). The only even prime is 2. 95 has 5 as a factor (again look at the ones place). Multiples of 5 have a 0 or 5 in the ones place.That is how you figer out if 32 and 95 in not a prime number.
Prime and odd are the only ones I could think of
Four have had number ones only Victoria beckham has not had one
They were the only ones who knew how to write.
The ones with only two factors.
91, and 97 are the only ones.
Mirror
What are three different ways to make the number 15,638 with only hundreds,tens, and ones
Compound eyes - the big ones - and ocelli, smaller ones generally found in groups of three on the top of an insect's head.
In the number 5000, there is only one "1" present, which is in the thousands place. The digit "1" appears only once in the entire number.
If there is a 4 in the ones place, the only number between 48 and 55 that could be it is 54.
you only need a pattern
the only ones i know are Call it Courage and The Boy Who Was Afraid