⊤ — Encode
B⊤Y represents numbers in bases B. A zero base retains the remaining quotient.
2 2 2 2⊤10 ⍝ 1 0 1 0
0x 60x 60x⊤3661x ⍝ 1x 1x 1x
Scalar B gives residues. Array bases add leading result axes; exact operands retain exact arithmetic.
10⊤12 34 ⍝ 2 4
See Decode.