When your date of birth is 4,13,22,31 you are under influence of number 4 in numerology.
You are strongly built and practical in outlook. You have a distinct character of your own. You are the advocate of under dogs; you appear to view everything from the opposite point of view, keeping aside all conventions and norms. Although you do not mean to be quarrelsome, your nature attracts opposition, resentment and enemies. The influences of your ruling planet gives you sudden changes, constant ups and downs, which may make you, develop an indecisive nature and seek and act on the advice of others throughout your life. You are a sort of extremist, you are either at the top or bottom, and there is nothing mediocre about you. You flourish on conspiracy and you are anti-establishment. You are not materialistic; accumulation of wealth is your least priority. You are a reliable and patient friend. By your unconventional methods and freethinking nature, you may introduce great reforms that help the needy and downtrodden and the environment.
Your friendship, professional, romantic and matrimonial relations with people having other nature numbers is as follows :
| Partner’s number | Friendship | Professional | Romantic | Marriage |
| 1 | Good for friendship. | Business relationship is of ordinary level. | Romantic relationship blossoms. | Compatible and mutually beneficial marital relationship. |
| 2 | Not good for friendship. | Not good for business relationship. | No romance in air. | Not compatible in marriage. |
| 3 | Friendship benefits number 4. | Business relationship is beneficial. | Not a fiery romantic relationship. | For marital tie, relationship is nothing to write home about. |
| 4 | Friendship is good but makes prone to laziness. | Business relationship is compatible. | Romantic relationship may blossom. | Compatible in marital relationship. |
| 5 | Good for temporary friendship. | Business relationship is not mutually beneficial. | No romantic vibe. | Not good for marital relationship. |
| 6 | Friendly but not in the long run. | Compatible in business but not beneficial. | Romantic sparks in fits and starts. | Compatible but not very beneficial in the long run. |
| 7 | Friendly to each other. | Beneficial business relationship if number 4 is working partner. | Romantic relationship is drab. | Marital relationship is good for number 4 only. |
| 8 | Friendly to some extent. | Business relationship is average. | Romantic relationship possible. | Not ideal for marital relationship. |
| 9 | Friendly to some extent. | Business relationship is average. | Romantic relationship possible. | Not ideal for marital relationship. |