Converting between bases DIRECTLY (no need to go to base 10)

Converting between bases DIRECTLY, Multiplication table in base 7:    • Try not to go insane!   Please subscribe for more math content! ☀️support bprp on Patreon:   / blackpenredpen   Guess what my first job was!    • My First Job Story   , My simple setup: 😃    • My Simple YouTube Setup (Blue Snowball mic...   , Check out my site & social media 😃 https://blackpenredpen.com 😃   / blackpenredpen   😃   / blackpenredpen   Thank you for supporting! You're awesome and I know it! blackpenredpen | 曹老師