10 centuries.
13 centuries.
10 centuries.
100 years.
A millennium is ten centuries.
1900 years.
2000/100 = 20 centuries
2000 years.
100,000
All the multiples of 4 are leap years, except for 1800 and 1900 (2000 is a leap year). I'll leave the counting to you.
2009-1900 = 1009
There were 4: 1916 1944 1972 2000
1875 + 25 = 1900 1900 + 100 = 2000 2000 + 15 = 2015 25 + 100 + 15 = 140
10 centuries.
13 centuries.
The palindromic numbers between 900 and 1900 are:909919929939949959969979989999100111111221133114411551166117711881This is a total of 19 numbers.
100 years = 1 century 200 years = 2 centuries . . 500 years = 5 centuries . . 1,000 years = 10 centuries . . 2,000 years = 20 centuries