what number comes after nine hundred ninety nine trillion?999,999,999,999,999?

Question

I need to know the name of the number I.E. million billion trillion Ect.
I am trying to find out how many possible credit card combinations there are. The highest experation date as far as the month/year goes is 12/10, so if we start from 07/06 we end up with 41 possible categories, so if we take our number that comes after 999trillion and times that by 41 we end up with all possible combinations for the next 3 years 5 months. Minus unusable numbers like 0000 0000 0000 0001. On any given credit card you may have 4 zeros in a row so in reality all combinations possible would have to be nine hundred ninety nine billion times 41.
Example: 5667 9877 0000 1234 Exp. 09/05
Any thoughts?

Answer 1

In the US system of counting numbers, the answer is indeed one quadrillion. However, be careful when naming numbers as in the UK, what they call a trillion is what the US calls a quintillion (the next one up). British numbering puts a billion as a million times a million, the US trillion. Fortunately, you wrote out the number so confusion is avoided.

Concerning credit card numbers, all I can really add is that the first digit of the card indicates the type of card. For example, 3 is used with American Express (which can have 15-digit numbers), 4 is for Visa, 5 for MasterCard, and 6 for Novus. Also, the three digits after that, and maybe some in the second set of four, represent the issuing financial institution, which puts some more limits. Furthermore, I wouldn't include the expiration date as that can change as the card is replaced while keeping the same number otherwise. Just my thoughts.

Answer 2

The last 4 digits may just be a checksum. A checksum is a number that a computer can use to determine if the card number/expiration combination are valid. The first four numbers identify the bank that issued the card. Some combinations of the first four numbers are never used, ie. 0000, 0001, 0010, etc.

Answer 3

10^6 1 million
10^12 1 billion
10^18 1 trillion
10^24 1 quadrillion
10^30 1 quintillion
10^36 1 sextillion
10^42 1 septillion
10^48 1 octillion
10^54 1 nonillion
10^60 1 decillion

Answer 4

Number of zerosU.S. & scientific communityOther countries
3thousandthousand
6million million
9billion 1000 million (1 milliard)
12trillion billion
15quadrillion 1000 billion
18quintillion trillion
21sextillion 1000 trillion
24septillion quadrillion
27octillion 1000 quadrillion
30nonillion quintillion
33decillion 1000 quintillion
36undecillionsextillion
39duodecillion1000 sextillion
42tredecillionseptillion
45quattuordecillion1000 septillion
48quindecillionoctillion
51sexdecillion1000 octillion
54septendecillionnonillion
57octodecillion 1000 nonillion
60novemdecilliondecillion
63vigintillion 1000 decillion
66 - 120 undecillion - vigintillion
303 centillion
600 centillion

Answer 5

One quadrillion, 10^15, 1,000,000,000,000,000 is a large number that comes after trillion. In the long scale, this number is refer to as a billiard.
There are 25 quadrillon stars found!
There must be life out there with all the numbers leading to infinitie!

Answer 6

I think it is quadrillion pentillion hexillian octillian (don't know after that) then dectillian

But I kinda just made those up too, I know a 1 with 100 zeros behind it is a google.

Answer 7

Nine hundred ninety nine trillion and one.

Answer 8

Infinite

Answer 9

1 quadrillion

Answer 10

1 quadrillion