PART IV. THE INDIVIDUAL NUMERALS.
The Monad. 1.
The Dyad. 2.
The Triad. 3.
Three and A Half, 3½
The Tetrad. 4.
The Pentad. 5.
The Hexad. 6.
The Heptad. 7.
The Ogdoad. 8.
The Ennead. 9.
The Decad. 10.
Eleven. 11.
Twelve. 12.
Thirteen. 13.
Some Hindoo Uses Of Numbers
Other Higher Numbers
The Apocalyptic Numbers