… is the atomic number of zinc.
- … is the number of days in the months April, June, September and November.
… is in years of marriage, the pearl wedding anniversary.
… is the code for international direct dial phone calls to Greece.
… is the suggested year of Crucifixion of Jesus.
… is the biggest size of Apple Cinema Display now.
… is the designation of Interstate 30, a freeway that runs from Texas to Arkansas.
… is the number of tracks on The Beatles’ eponymous album, usually known as The White Album.
… is the number of cars in the Nintendo 64 game F-Zero X.
… is a primorial#A sphenic number is a positive integer that is the product of three distinct prime factors. ([source][s1])2 and the first Giuga number.
… is the largest number such that coprimes#is an integer that is divisible by the sum of its digits in a given number base. ([source][s4])4 number.
… is also happened to be my age today.
“As through the calendar I delve
I pause to rejoice in April twelve.
Yea, be I in sickness or be I in health
My favorite date is April twealth.
From “Lines in Praise of a Date Made Praiseworthy Solely by Something Very Nice That Happened to It”,
by Ogden Nash