The answer is 4559
Sum of the two digit 7+2=9 is the last digit
difference of the two digit is last second digit 7-2=5
And the product of these last two digits 9*5=45 forms the first two digit
So the answer is 4559
1819 = 1819/1 or 18190/10, for example.
On 14 December 1819 Alabama became the 22nd US State.
Alabama is the 22nd state on December 14, 1819
3677
Alabama became a state on December 14,1819
what was invented in 1819-1901
1819 = MDCCCXIX
Gasoline as fuel did not exist in 1819.
On February 22, 1819 after it's Adams-Onís Treaty with Spain.
The US Mint did produce any dimes in 1819.
The 22nd of May 1819 was a Saturday.
Yes, it was gained form Spain in 1819