### Number conversion

### Extension infomation

decimal (base-10) used character is 0,1,2,3,4,5,6,7,8,9

binary numeral (base-2) used character is 0,1

senary (base-6) used character is 0,1,2,3,4,5

octal (base-8) used character is 0,1,2,3,4,5,6,7

hexadecimal (base-16) used character is 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F

vigesimal (base-20) used character is 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J

duotrigesimal (base-32) used character is 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V

hexatrigesimal (base-36) used character is 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z

This conversion system only handle integer.