Hindustani numerals

As with many Indo-Aryan languages, Hindustani (Hindi-Urdu) has a decimal numeral system that is contracted to the extent that nearly every number 1–99 is irregular, and needs to be memorized as a separate numeral.

	-0	-1	-2	-3	-4	-5	-6	-7	-8	-9
0–9	śūnya	ek	do	tīn	cār	pāñc	chah	sāt	āṭh	nau
10–19	das	gyārah	bārah	terah	caudah	pandrah	solah	satrah	aṭhārah	unnīs
20–29	bīs	ikkīs	bāīs	teīs	caubīs	paccīs	chabbīs	sattāīs	aṭṭāīs	untīs
30–39	tīs	ikattīs	battīs	taiṁtīs	cauṁtīs	paiṁtīs	chattīs	saiṁtīs	aṛtīs	untālīs
40–49	cālīs	iktālīs	bayālīs	taiṁtālīs	cavālīs	paiṁtālīs	chiyālīs	saiṁtālīs	aṛtālīs	uncās
50–59	pacās	ikyāvan	bāvan	tirpan	cauvan	pacpan	chappan	sattāvan	aṭṭhāvan	unsaṭh
60–69	sāṭh	iksaṭh	bāsaṭh	tirsaṭh	cauṁsaṭh	paiṁsaṭh	chiyāsaṭh	sarsaṭh	aṛsaṭh	unhattar
70–79	sattar	ikhattar	bahattar	tihattar	cauhattar	pachattar	chihattar	sathattar	aṭhhattar	unyāsī
80–89	assī	ikyāsī	bayāsī	tirāsī	caurāsī	pacāsī	chiyāsī	sattāsi	aṭṭhāsī	navāsī
90–99	nabbe	ikyānve	bānve	tirānve	caurānve	pacānve	chiyānve	sattānve	aṭṭhānve	ninyānve

Numbers from 100 up are more regular. There are numerals for 100, sau; 1,000, hazār; and successive multiples by 100 of 1000: lākh 1,00,000 (10⁵), kroṛ 1,00,00,000 (10⁷), arab 1,00,00,00,000 (10⁹, billion), kharab 1,00,00,00,00,000 (10¹¹), nīl 1,00,00,00,00,00,000 (10¹³), padma 1,00,00,00,00,00,00,000 (10¹⁵, quadrillion). (See Indian numbering system.) Lakh and crore are common enough to have entered Indian English.