It pays to remember long digit numbers
The number = 522641637527.
The peg system of memorizing long digit numbers is actually a combination of the peg and the link methods. It forces you to concentrate on the number; it is easy to do – and the retentiveness is amazing ! if you have learned the list of peg words from 1 to 100 this should be easy for you. If you haven’t learned them yet, this will make you want to do so. For the time being, you can make up the words as you go along..
First, let’s break the number down into two-digit numbers.52 26 41 63 75 27 .Now, each of these two-digit numbers should represent or suggest a peg word to you:

52 26 41 63 75 27
lion notch rod chum coal neck

All you have to do is to make a link of the six peg words! Or, any words you happen to be using .picture a lion with a large notch in him. Picture yourself whittling notches into a gigantic curtain rod. See yourself throwing your arms around the rod as if it were your chum. Or, your chum is being used for a curtain rod. Picture yourself embracing a large piece of coal as if it were your chum; and, finally , see your self or anyone with his neck made of coal.
You should be able to make this link in about thirty seconds. After you’ve made it, go over it once or twice in your mind to see if you’ve memorized it, in repeating the number, all you do is transpose your peg words back to numbers. You’ll know the number now, forwards and backwards! In actual practice, you should form your peg words and link them as you move your eyes from left to right across the number.
There you have it! You merely linked six objects to memorize twelve digits, and you will retain them for as long as you desire.