2001 = 12 + 34 × 56 + 7 + 89
2001 = 9 × 8 + 7 + 6 × 5 × 43 + 2 × 1
2001 = 0^6 + 1^8 + 2^9 − 3^7 + 4^5 + 5^2 + 6^3 + 7^4 + 8^1 + 9^0
2001 divides 70^4 - 1.
Sphenic number: Product of 3 distinct Primes, (List)
Factors: 1, 3, 23, 29, 69, 87, 667, 2001
Two thousand, one
Representations, Binary to Hexadecimal:
11111010001_2
2202010_3
133101_4
31001_5
13133_6
5556_7
3721_8
2663_9
155a_11
11a9_12
bac_13
a2d_14
8d6_15
7d1_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics

