Hitchhiker's Guide to Religion
Sacred Numbers
18

Life (Chai)

Sacred number 18
TraditionMeaning
JewishChai (Hebrew: chet = 8, yod = 10 = 18). The word means “life.” Gifts in multiples of 18 are traditional. The most “alive” number in Judaism
Christian18 years of Jesus’ “hidden life” (from age 12 to 30)