Number plate with the digit 7 sells for $4.6 million What’s in a number or rather a number plate? Apparently a lot. Why else would someone shell out 7 million dirham’s, or $4.6 million, to acquire a number plate bearing solely the digit 7? The aforementioned number plate is the third most expensive number plate in the world and was auctioned was sold in a government auction on Saturday in Abu Dhabi. The second most expensive as well as the most expensive number plate in the world too have been sold earlier in this land of the rich. As most of the number plates in UAE come with default five digits, the lesser the number of digits, the higher the price. And the folks too have no qualms about shelling out mighty sums to get exclusive number plates.