twenty-eight
After twenty-seven comes
Twenty-eight is the cardinal number between twenty-seven and twenty-nine, equal to 28.
It represents the number of days in February during non-leap years and is the second perfect number in mathematics.
She turns twenty-eight next month.
Second month, often shortest
Number lacking fractions
- evenUniform and level
- digitsSingle-place numerals
- cardinalOf foremost importance
- numeralSymbol denoting quantity
multiplication · perfect · composite · triangular · hexagonal · sum · arithmetic · sequence
Monthly uterine bleeding
- ovulationEgg discharge from ovary
- moonNatural planetary satellite
- cycleRepeating sequence of events
- synodicRelating to orbital alignments
periodicity · fertility · hormonal · follicular · luteal · reproductive · monthly · waxing
State of being grown
- maturityFull growth achieved
- milestoneNotable event marking progress
- birthdayAnnual date of origin
- youthState of being immature
prime · coming-of-age · twentysomething · decade · generation
February
Second month, often shortest
integer
Number lacking fractions
numeral · multiplication · perfect · composite · triangular · hexagonal · sum · arithmetic · sequence · factorization
menstruation
Monthly uterine bleeding
synodic · periodicity · fertility · hormonal · follicular · luteal · reproductive · monthly · waxing · waning
adulthood
State of being grown
youth · prime · coming-of-age · twentysomething · decade · generation