256k 512k 1m 2m 4m 8m 16m 32m 64m 128m 256m 512m 1b 2b 4b 8b 16b 32b 64b 128b 256b 512b 1t 2t 4t 8t 16t 32t 64t 128t 256t 512t 1q 2q 4q 8q (skipping) 512q, 1qt, (skipping by 1k), 1s, 1sp, 1o, 1n, 1d, 1un, 1du, 1 tr, 1qu, 1qi, 1sd, 1spd, 1od, 1nd, 1tg, 1dtg, 10 dtg. 10 DTG = 1 GOOGOL