1009 is a Prime Number, Prime(1092)
1009 = 12 + 34 × (5 + 6) + 7 × 89
1009 = 987 + 6 + 5 + 4 + 3 × 2 + 1
1009 = 0^6 − 1^8 + 2^5 − 3^9 + 4^7 + 5^3 + 6^1 + 7^2 + 8^4 + 9^0
1009 = 15^2 + 28^2
1009^2 = 559^2 + 840^2
1009 divides 74^14 - 1.
Number of points of norm <= 18^2 in square lattice
Emirp (9001 is also Prime)
Prime of the form x^2+101y^2.
Factors: 1, 1009
Representations, Binary to Hexadecimal:
1111110001_2
1101101_3
33301_4
13014_5
4401_6
2641_7
1761_8
1341_9
838_11
701_12
5c8_13
521_14
474_15
3f1_16
Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
