A name whose Chaldean letters total ৫ is received under বুধ. The name number describes reception rather than character — how a room adjusts to your name before it has met you.
Ruling graha
বুধ
Day
বুধবার
As your Name number
A name totalling 5 is received as quick and current. It is the natural name number for sales, media and anything that has to feel contemporary; it wears less well on institutions meant to feel permanent.
What the Name number is
Your name number is the Chaldean value of the name you actually go by, reduced to a single digit. It is not what you were born with — it is what you have been called since, which is why it describes reception rather than character: how a room adjusts to your name before it has met you. Change the name you use and this number changes with it.
The character of ৫
Five belongs to Mercury: quick, verbal, adaptable, and easily bored. It is the number of the negotiator and the traveller, and it thinks best while moving.
Strengths
Speed of thought, persuasion, a talent for making the right introduction at the right time.
Challenges
Restlessness, over-commitment, and a tendency to talk a thing through rather than finish it.
Which numbers suit it
Number compatibility here is graha maitri — the natural friendship of the planets that rule the two numbers, from the same classical table this site uses to score Guna Milan in kundli matching. It is not a separate numerological lore invented for the purpose.
১, ৬ — because the grahas ruling those numbers are natural friends of the graha ruling ৫. This is the same friendship table used to score Guna Milan in kundli matching.
Does changing my name change my number?
The name number, yes — it is computed from the name you actually go by, so it moves when that changes. The mulank and bhagyank come from your birth date and do not move at all.