NUM·LORE

668

Tier · Algorithmic

Algorithmic encodings for 668.

adjacent   667  ·  669

T9 keypad
  • MNO MNO TUV

    T9 phone-keypad letter set per digit

Leet
  • GGB

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

Math
  • 2 × 2 × 167

    prime factorization