sexadecimal notation

NOUN
20 LETTERS · STARTS WITH S

sexadecimal notation is a valid 20-letter word worth 31 points in Scrabble and 36 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1E1X8A1D2E1C3I1M3A1L1N1O1T1A1T1I1O1N1
1 + 1 + 8 + 1 + 2 + 1 + 3 + 1 + 3 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =31 PTS
DOUBLE WORD → 62TRIPLE WORD → 93
MEANING

What does sexadecimal notation mean?

NOUN · 1 SENSE
1

Any notation that uses 16 different characters.