Vayupurana 2.39.99

Vāyupurāṇa 2.39.99

śrṛṇudhvaṃ me parārddhañca parisaṃkhyāṃ parasya ca.
evaṃ daśa śatañcaiva sahasrañcaiva saṅkhyayā .. 39.93 ..