You can use 6 for health, 8 for wealth and 9 for lovers, because it means a long time. The number represented by sunlight is 1, indicating hope. Sunshine is a polysemous word.
1, the original meaning: sunlight, mostly refers to sunlight, which is regarded by astronomy as a nuclear reaction on the sun and also refers to the light of lightning.
2. Morality: positive, optimistic, cheerful, lively and energetic. Sunlight is blackbody radiation emitted by nuclear reactions on the sun. After a long distance, it shines on the earth and reaches the ground after being filtered by the atmosphere. Its energy distribution in the visible spectrum is uniform, so it is white light.