I have an array formula as follows:


The array of numbers from SEQUENCE run from 1 to 528, but I want all the numbers to have matching lengths.

Currently, Google Sheets strips out any leading zeros.

In other words, my formula returns "NUMBER-1" to "NUMBER-528" but I want it to return "NUMBER-001" to "NUMBER-528"

2 Answers 2


You can use TEXT to set the amount of digits:


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The formula below is the RIGHT approach. Other approaches using the TEXT function such as @Martín's excellent answer have absolutely nothing wrong with them; This approach simply uses the RIGHT function.




  1. A 33x16 array is created using a SEQUENCE of numbers, incrementing by 1, from 1 to 528. The function is simplified to SEQUENCE(33,16) since the optional arguments already default to 1.
  2. Strings are created by adding leading zeros "00" onto each number. For example,
    {number:string}  {1:"001"},  {99:"0099"},  {511:"00511"}
  3. RIGHT is used to return only the last three characters of each string. For example,
    {string:RIGHT(string,3)}  {"001":"001"},  {"0099":"099"},  {"00511":"511"}
  4. Then "NUMBER-" is prepended to each value.


  • RIGHT returns a substring from the end of a specified string.
    RIGHT(string, [number_of_characters])
  • SEQUENCE returns an array of sequential numbers.
    SEQUENCE(rows, [columns], [start], [step])
  • ARRAYFORMULA enables the display of values returned from an array formula into multiple rows and/or columns and the use of non-array functions with arrays.

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