Yes it is.
27001
3,6,9,12,15,18,21,24,27
28, 30, 32, 34
27
Yes it is.
27001
27 less than 110 = 83110 - 27 = 83
less
less
No.
98 - 27 = 71
No.
There are 27 prime numbers less than 102.
1,3,7,9,11,13,15,17,19,21,23,25
(27 + 24) - 9 = 42
582, 926, 27, 41, 1900 are all less than 1975.