Are these hcg numbers normal ?

Lauren • Mommy of 3Z's.
3/31 hcg 139, 4/4 hcg 748 4/6 hcg 1248 4/11 hcg 5797 at 6 weeks 1 day. Is that okay ? I feel like it should be way higher at 6 weeks 1 day then 5797?