Tuple names

Names for tuples of specific lengths

Tuple length, [math]\displaystyle{ n }[/math]	Name	Alternative names
0	empty tuple	null tuple / empty sequence / unit

2	couple

4		quad / tetrad / quartet
5	quintuple
6	sextuple	hextuple / hexad

8	octuple	octa / octet / octad/octo


11	undecuple	hendecuple / hendecad

13	tredecuple	baker's dozen

15	quindecuple



19	novemdecuple
20
30	trigintuple
40	quadragintuple



80	octogintuple
90	nonagintuple
100
200	ducentuple
300	trecentuple
400
500	quingentuple
600	sescentuple
700
800	octingentuple
900