The biggest number that you can create using 1234 is 4321.
2+3=5... 5x4=20... 20+1=21 !
3*(2+4)-1 = 17
4*4*2+2*3
(1+4) x (2 x 3)
to get the number 25 using 1234 = 31 - 2 - 4
The biggest number that you can create using 1234 is 4321.
2+3=5... 5x4=20... 20+1=21 !
4x4x3+2
(12*4)+3 = 51
By the uniqueness of numbers, the only number for 1234 is 1234 itself.
1234
1234 is not a prime number.
Using the number lock press alt 1234
3*(2+4)-1 = 17
4*4*2+2*3
There are twelve possible solutions using the rule you stated.