Introducing the Six Digit Number - 1,00,000

Adding 1 to the greatest 5-digit number should give the smallest 6-digit number :  99,999 + 1 = 1,00,000
This number is named one lakh. 
One lakh comes next to 99,999.
10 × 10,000 = 1,00,000.

Expanded form of 6-digit numbers:
3,53,500 = 3 × 1,00,000 + 5 × 10,000 + 3 × 1,000 + 5 × 100.

Reading six-digit numbers:
(1) 2,35,705 : two lakh thirty-five thousand seven hundred and five
(2) 8,00,363 : eight lakh three hundred and sixty-three

Writing six-digit numbers in figures:
Eight lakh, nine thousand, and forty-three:

1. Lakhs Place: The number contains 8 lakhs, so we write 8 in the lakhs place.
2. Ten Thousand Place: There are no ten thousand, so we write 0 in this place.
3. Thousands Place: The number contains 9 thousand, so we write 9 in the thousands place.
4. Hundreds Place: There are no hundreds, so we write 0 in the hundreds place.
5. Tens and Units Place: Forty-three consists of 4 tens and 3 ones, so we write 4 in the tens place and 3 in the units place.

Final Representation in Figures: 8,09,043