$1 2009 Fancy Serial  B18898811C

This is a very cool number! It has a Universal Coolness Index of 97.3%




• 18898811 contains a 4-of-a-kind and 1 triple. Only 0.21% of 8-digit numbers have this combination.

• 18898811 has 3 unique digits. In 0.71% of 8-digit numbers, there are 3 or fewer unique digits.

• 18898811 contains 3 pairs together. Only 0.75% of 8-digit numbers have this combination.

• 18898811 is a prime number! Only 5.8% of 8-digit numbers are prime.

• 18898811's digits sum to 44. In 18% of 8-digit numbers, the digits sum to at least 44.