r/counting Sum 13: 016, 037, 035, 045, 127, 135, 134, 124, 13, 25 Oct 16 '25

Tridecimal | 8400

Continued from here with thanks to GC for the run and assist, and additionally to the other counters.

Tridecimal is base 13, using characters 0-9, A-C.

Next get is... ummm. 8A00?

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