1004 = 123 + 4 × (5 × 6 × 7 + 8) + 9
1004 = 9 + 8 × (76 + 5 + 43) + 2 + 1
1004 = 0^5 + 1^7 + 2^4 + 3^9 − 4^8 + 5^3 + 6^6 + 7^2 + 8^0 + 9^1
1004 divides 5^25 - 1.
Number whose sum of divisors is a square
Factors: 1, 2, 4, 251, 502, 1004
One thousand, four
Representations, Binary to Hexadecimal:
1111101100_2
1101012_3
33230_4
13004_5
4352_6
2633_7
1754_8
1335_9
833_11
6b8_12
5c3_13
51a_14
46e_15
3ec_16
Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
