Pandigital
A kind of number
About Pandigital
A pandigital number (in base 10) contains each digit 1–9 exactly once (9-digit) or each digit 0–9 exactly once (10-digit). For example, 123456789 and 1023456789 are pandigital.
Key features
- 9-digit pandigital: digits 1–9 each once (no zero).
- 10-digit pandigital: digits 0–9 each once.
Examples:
123456789, 987654321, 1023456789, 1234567890