Sample from task is working:

Letter: m | 12 * 6015 % 26 = 4 == e

Letter: e | 4 * 6015 % 26 = 10 == k

Letter: r | 17 * 6015 % 26 = 23 == x

But trying five letters from first test:

request = "1273409kuqhkoynvvknsdwljantzkpnmfgf" and answer must be "uogbucwnddunktsjfanzlurnyxmx"

Letter: k | 10 * 1273409 % 26 = 18 == s

Letter: u | 20 * 1273409 % 26 = 10 == k

Letter: q | 16 * 1273409 % 26 = 8 == i

Letter: h | 7 * 1273409 % 26 = 23 == x

Letter: k | 10 * 1273409 % 26 = 18 == s

None of the letters match. Maybe I didn't understand the task?

Thanks!

Spent an hour on this, really good one

Try to read the error message. Base in this kata can be any vaue higher than 1. Also higher than 36 :) or lower than base-2: unary

i hate this kata

"RangeError: toString() radix argument must be between 2 and 36
at Number.toString ()
at reverseNumber (test.js:6:18)
at doTest (test.js:18:24)
at Array.forEach ()
at Context. (test.js:22:82)
at process.processImmediate (node:internal/timers:471:21)"

although in vs code it works as it should