In XCSB hex constants begin with the prefix 0x. e.g. hex constant decimal constant binary constant 0x3149 0b_0011_0001 0x2F470b_0010_1111 0x41650b_0100_0001
e.g.
hex constant decimal constant binary constant 0x3149 0b_0011_0001 0x2F470b_0010_1111 0x41650b_0100_0001