Enter Your Number Here: Clear Submit How does the Tool work? Enter the number which you are interested. Click on Submit. Adds the numerical value of the digits in the bike number/mobile number. Finally, will display the total to a single digit. Compare single digit with your fancy number or lucky number or Sentiment number or VIP Number. How to calculate manually for phone number Here is a mobile number 1800-889-9999. So according to the above steps 1 + 8 + 0 + 0 + 8 + 8 + 9 + 9 + 9 + 9 + 9 = 70 = (7 + 0) = 7