regarding property of an integer??

what could be the property of integers having all digits even.

The sum of all digits will certainly be even

There would be only one prime number.

@ganeshrockz

Is there any way to find nth such number

@sheikh_1997

Is there any way to fund nth such number.

Find some intuitive bijection with numbers in base 5. It will also answer your comment answer

just dont answer this question. it is hint to some active competition.

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