Input
255 (10) → 16
Expected result
FF
Convert integers without precision loss.
Enter an integer, select base 2, 10, 16 or 36 for input and output. Base 36 uses digits 0–9 and letters A–Z.
Uses BigInt for exact integer arithmetic. Up to 4,096 input characters, optional + or − sign, no fractions or 0x/0b prefixes. Output letters are uppercase.
Input
255 (10) → 16
Expected result
FF
Input
11111111 (2) → 10
Expected result
255
Input
ZZ (36) → 10
Expected result
1295