Real valiue 0^0!=0 1^1!=1 2^2!=4 2.5^2.5!=21.159477358295... 3^3!=729 π^π!=3,745.8847704 3.5^3.5=2,130,353.7311 4^4!=2.8147498E14 4.5^4.5!=1.5522349E34 5^5!=7.5231638E83 6^6!=