Matematyczny Asystent Online
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Semiautomatic multiplication and vampire numbers on Diehl KR 15.

The closest dates which can be permuted into a vampire number are April 4 and May 5 2016. These days give digits for three vampire numbers. One of them even with two pairs of fangs. The last day this year which can be permuted into a vampire number is just Xmass :).

The rest of the Youtube chanel.