223 ?

This year was a leap year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Iulianus and Crispinus (or, less frequently, year 977 Ab urbe condita). The current denomination for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

225

113x2

10₂*10²_A+10₂*10_A+111₂

226?? I don't know, all this binary and multiplication and algebra and confusing me...

They messed up on the first page, anyway.

/me coughs...
230, now

3.8 liters in cubic inches (rounded down)

CDFDC (the intervals between those)

233

3 cards of a straight (2-6)

First three primes.

another one of those numbers where the 3rd digit is a product of the first two (and the first two are the prime factorization of the third)

The smallest 3-digit number whose digits are distinct primes but neither it nor any of its digit permutations are prime.

10₂₃₈

A dozen score.

11 score and a baker's dozen

2*10^2+2^2*10+2

3^5

bookmark 244

Whatever number comes next...

first three even numbers greater than 0

247