What is 2942?

2942 is 29 + 42. 29 = 2.9 = <3 means love. 42 is either Meaning of Life or Japanese Death 'shi ni'. So there are two meanings. You can chose whatever you prefer.

1. Love is the meaning of your life.

2. You will love smb untill you die.

This is kind of promise to your <3 that you won't surrender. No matter what you will stay by one side with the person you love.