Most likely a viral infection.
50% of 1004: = 50% x 1004 = 0.50 x 1004 = 502
1004
-1004
The positive integer factors of 1004 are: 1, 2, 4, 251, 502, 1004
4*1/1004*1/1004*1/1004*1/100
MIV = 1004MIV = 1004MIV = 1004MIV = 1004MIV = 1004MIV = 1004MIV = 1004MIV = 1004MIV = 1004
1, 2, 4, 251, 502, 1004.
1004 millibars = 29.65 inHg
As of October 2013 the only location selling the PSP 1004 is eBay.
MIV
Pairs of positive integer factors which multiply to make 1004 are: 1 x 1004 2 x 502 4 x 251 And their reverses.
Only 1004.