4049 is a Prime Number, Prime(558)
4049 = 12 + 3 × 4 × 5 × 67 + 8 + 9
4049 = 9 + 8 × (7 + 65 + 432 + 1)
4049 = 0^6 − 1^7 + 2^8 − 3^9 + 4^3 + 5^0 + 6^2 + 7^5 + 8^1 + 9^4
4049 = 32^2 + 55^2
4049^2 = 2001^2 + 3520^2
Number of ordered pairs of integers (x,y) with x^2+y^2 < 36^2
a(n) = 2*n^2 - 1, n = 45
Factors: 1, 4049
Four thousand, forty-nine
Representations, Binary to Hexadecimal:
111111010001_2
12112222_3
333101_4
112144_5
30425_6
14543_7
7721_8
5488_9
3051_11
2415_12
1ac6_13
1693_14
12ee_15
fd1_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics

