Are we all Number 9?
x 3 + 3 x3 1st digit + last digit ====== ======= ======= ====================== 1x3=3 3+3=6 6x3=18 1+8=9 2x3=6 6+3=9 9x3=27 2+7=9 3x3=9 9+3=12 12x3=36 3+6=9 4x3=12 12+3=15 15x3=45 4+5=9 5x3=15 15+3=18 18x3=54 5+4=9 6x3=18 18+3=21 21x3=63 6+3=9 7x3=21 21+3=24 24x3=72 7+3=9 8x3=24 24+3=27 27x3=81 8+1=9 9x3=27 27+3=30 30x3=90 9+0=9