900
Thirty squared exactly
Nine hundred, the cardinal number between 899 and 901.
Like other round hundreds, 900 serves as an approximate quantity suggesting "many but less than a thousand": There were maybe 900 people at the rally.
In time expressions, the 900s refers to the tenth century (years 900–999 CE).
Accomplished goal or deed
- benchmarkStandard for comparison
- goalDesired end result
- landmarkNotable point of reference
- breakthroughSudden important advance
accomplishment · threshold · anniversary · celebration · pinnacle · cornerstone · watershed · culmination
hundred
Ten squared
sum · total · calculate · number · numeral · digit · figure · amount · value · integer
achievement
Accomplished goal or deed
breakthrough · accomplishment · threshold · anniversary · celebration · pinnacle · cornerstone · watershed · culmination · target
round
Curved like circle
zeroes · approximate · ballpark · estimate · rounded · clean · nice · easy