90208
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WXYZ ⌷ ABC ⌷ TUV
T9 phone-keypad letter set per digit
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POZOB
leet substitution: 0=O, 1=I, 3=E, 4=A, 5=S, 7=T, etc.
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PO ZOB
chunked 2+3, leet
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POZ OB
chunked 3+2, leet
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2 × 2 × 2 × 2 × 2 × 2819
prime factorization
WXYZ ⌷ ABC ⌷ TUV
T9 phone-keypad letter set per digit
POZOB
leet substitution: 0=O, 1=I, 3=E, 4=A, 5=S, 7=T, etc.
PO ZOB
chunked 2+3, leet
POZ OB
chunked 3+2, leet
2 × 2 × 2 × 2 × 2 × 2819
prime factorization