Yes, there are an infinite number of posibilities. Staying only with positive odd numbers, if duplicates are allowed, then five 9s and five 11s make 100.
If duplicates are disallowed, then 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 = 100
The sum of the first 10 odd whole numbers is 100.
100
101
1, 3, 5, 7, 9 counting by twos to 99 are the odd numbers. 2, 4, 6, 8, 10 counting by twos to 100 are the even numbers.
64
Yes. The only even Prime number is 2.
152
Yes. The only even prime number is 2.
There are 10 numbers less than 101 which have an odd number of factors: 1,4,9,16,25,36,49,64,81,100.
Square numbers 16, 25, 36, 49, 64, 81, 100
45 of them.
Numbers that are prime can't be multiples of 10. Multiples of 10 can't be odd.