int (signed integers) long (long integers) bool (Boolean values) float (floating point real numbers) complex (complex numbers) Here are some examples: int 0101 84 -237 0x80 017 -680 -0X92 long 29979062458L -84140l 0xDECADEDEADBEEFBADFEEDDEAL bool True False float 3.14159 4.2E-10 -90. 6.022e23 -1.609E-19 complex 6.23+1.5j -1.23-875J 0+1j 9.80665-8.31441J -.0224+0j