If you want to remove all leading zero’s from order, invoice and shipment number in Magento 2 then follow below steps

Step 1: Create Registration

Create registration.php file in the app/code/Magemonkeys/Ordersequence folder with the following code.

<?php
MagentoFrameworkComponentComponentRegistrar::register(
    MagentoFrameworkComponentComponentRegistrar::MODULE,
    'Magemonkeys_Ordersequence',
    __DIR__
);

Step 2: Create a module

Create a module.xml file in the app/code/Magemonkeys/Ordersequence/etc folder with the following code.

<?xml version="1.0"?>
 
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
    <module name="Magemonkeys_Ordersequence" setup_version="1.0.0"></module>
</config>

Step 3: Create a di

Create a di.xml file in the app/code/Magemonkeys/Ordersequence/etc folder with the following code.

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <type name="MagentoFrameworkDBSequenceSequenceInterface">
        <arguments>
            <argument name="pattern" xsi:type="string">%s%'.06d%s</argument>
        </arguments>
    </type>
</config>

Step 4 : After place above code, please run below mentioned commands

- php bin/magento setup:upgrade

- php bin/magento setup:static-content:deploy

- php bin/magento cache:clean

That’s it.

Now refresh your admin order page and see that leading zero’s should be removed.