The Number 105: Properties and Meanings
105 can be Partitioned 53 times with each term no larger than 2.
105 can be Partitioned 972 times with each term no larger than 3.
105 is a Triangular Number.
105 is a 12-gonal Number.
105 is a 36-gonal Number.
The number of perfect connected undirected simple graphs on 6 nodes=105.
The Year 105 AD
In the year 105
AD Ts'ai Lun of China created paper from hemp, tree bark, rags and fishnets that quickly replaced silk and bamboo strips. Papermaking didn't reach Europe until the 12th century.