hmm, whats the first number that can't be described this way
99=4!*4+4-4^0
93=4!*4-4+4^0
91=4!*4-4-4^0
89=4^3+4!+4^0*4^0
87=4^3+4!-4^0*4^0
73=4^3+4*sqr(4)+4^0
71=4^3+4*sqr(4)-4^0
57=4^3-4-4+4^0
55=4^3-4-4-4^0
53=4^3-4^2+4+4^0
51=4^3-4^2+4-4^0
45=4!+4!-4+4^0
43=4!+4!-4-4^0
41=4!+4^2+4^0*4^0
39=4!+4^2-4^0*4^0
37=24+4^2-sqr(4)-4^0