Kaprekar's Process/Examples/4527

Example of Kaprekar's Process

From $4527$:

$\ds 7542 - 2457$

$=$

$\ds 5085$

$\ds 8550 - 0558$

$=$

$\ds 7992$

$\ds 9972 - 2799$

$=$

$\ds 7173$

$\ds 7731 - 1377$

$=$

$\ds 6354$

$\ds 6543 - 3456$

$=$

$\ds 3087$

$\ds 8730 - 0378$

$=$

$\ds 8352$

$\ds 8532 - 2358$

$=$

$\ds 6174$

$\ds 7641 - 1467$

$=$

$\ds 6174$

$\blacksquare$

1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $6174$
1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $6174$