WHAT IS MAJOR SYSTEM?
Major system is used to remember large numbers by substituting each number with its corresponding alphabet. The combination of alphabets then can be transformed into a word, that allows you to visualize it. Human's brain is adapt at remembering image than numbers.
The original major system mapping includes soft and hard letter sound. In this site, I have modified the major system mapping from its original one by only using the specific alphabets to make it easier for people who find it hard to discern letters with soft and hard sound.
Here's my modified mapping. The same is expounded in my book, Peak Brain Plasticity, too.
0: Number zero looks like a tire, and is associated with the deflating tire's faint hissing sound of S or Z.
1: Number one resembles the downstrokes of T and D.
2: Number two when rotated 90° counterclockwise resembles N.
3: Number three when rotated 90° counterclockwise resembles M.
4: Number four looks like the mirrored image of R.
5: L is the Roman numeral for fifty.
6: lowercase J and G almost look like flipped variations of number six.
7: K looks similar to 2x number seven. C sounds almost like K.
8: Cursive lowercase F looks like number eight. V sounds almost like F.
9: P and lowercase B look like number nine when flipped different ways.
For example, you can memorize 1982 by remembering Deep Heaven.
I have developed an application that you can use to generate mnemonics for any large numbers that you want to remember, for free.