1005 = 1 × 23 × 4 × 5 + 67 × 8 + 9
1005 = 9 + 876 + 5 × 4 × 3 × 2 × 1
1005 = 0^5 − 1^7 + 2^9 − 3^8 + 4^6 + 5^0 + 6^2 + 7^4 + 8^3 + 9^1
1005 divides 68^4 - 1.
Number of ordered pairs of integers (x,y) with x^2+y^2 < 18^2
Sphenic number: Product of 3 distinct Primes, (List)
Factors: 1, 3, 5, 15, 67, 201, 335, 1005
Representations, Binary to Hexadecimal:
1111101101_2
1101020_3
33231_4
13010_5
4353_6
2634_7
1755_8
1336_9
834_11
6b9_12
5c4_13
51b_14
470_15
3ed_16
Undergraduate Texts in Mathematics
Graduate Studies in Mathematics

