NUM·LORE
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9

Tier · Algorithmic

Algorithmic encodings for 9.

adjacent   8  ·  10

T9 keypad

  • WXYZ

    T9 phone-keypad letter set per digit

Leet

  • P

    leet substitution: 0=O, 1=I, 3=E, 4=A, 5=S, 7=T, etc.

Math

  • 3 × 3

    prime factorization