A million is 1,000,000 2500 million is 2,500,000,000 (which is really two billion five hundred million)
You might be referring to the Piacenzian. Please see the link.
100 years = 1 century ⇒ 2500 years = 2500 ÷ 100 centuries = 25 centuries
2500 thousand
There are 20 million people that practice Taoism, most of which live in Asia. The religion was founded in China around 2500 years ago.
2450 Before Christ is 2450+2007 AD(After death)=4457 years. So 2450 means 4,457 years ago whatever happened.
2500
Battle of Banquan happened in -2500.
2500 years
2500 years
an increase in crude birth rate
5000000 lb = 2500 t(US)5000000 lb = 2500 t(US)5000000 lb = 2500 t(US)5000000 lb = 2500 t(US)5000000 lb = 2500 t(US)5000000 lb = 2500 t(US)