the number of units increases for various reasons

In the olden days, the threads were knotted, and it was a 3-piece bead with only 3 knots. Dedicated to the 3 jewels (wa) and the 3 signs of immortality, suffering, and emptiness.

In the future, the number of units increases for various reasons. 9 pieces. 27 all. 45 pieces. 108 and so on.

According to the order of the sign of the beads, the number of units became different. 7 dedicated to the Seven Enlightenment, 9 dedicated to Ko Na Win. 32 were dedicated to the thirty-two Kohathas, 45 were dedicated to the forty-five Buddhas, and so on.