64
66
29
3.27 and 3.273.17 and 3.37
usually 16 digits.. expiration date underneath it after your name.. and their may be a 3 digit security code on the bank of the card by the strip line.
The name of such a number is a decimal number. The digits after the decimal point represent tenths, hundredths, thousandths, and so on.
66
11 x 9 = 99 two digits
Such numbers are best written - and pronounced - in scientific notation. Normally you don't need all the digits, so you can round such a number to an appropriate number of significant digits - for example, 25670000..... Then you express it in scientific notation, in this example, 2.567 x 1025. Edit: I agree entirely with the previous answer but, if you must: The 2-digit name for digits 1-2 followed by "septillion", the 3-digit name for digits 3-5 followed by "sextillion", the 3-digit name for digits 6-8 followed by "quintillion", the 3-digit name for digits 9-11 followed by "quadrillion", the 3-digit name for digits 12-14 followed by "trillion", the 3-digit name for digits 15-17 followed by "billion", the 3-digit name for digits 18-20 followed by "million", the 3-digit name for digits 21-23 followed by "thousand", and the 3-digit name for digits 24-26.
DIGITS
name the period of the underlined digit
All digits all part of the set of integers.
We generally refer to them by the number of digits. Two-digit number, three-digit number, etc.
There is no specific name: you just call it a number with 2 or more digits or a multi-digit number.
A binary digit is either a 0 or 1. The shortend name is Binary digIT = "BIT". In computers, it is the smallest unit of data...an ON or OFF.
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The phalanges are the hand and foot digits. Actually, anything that can be counted can be thought of as a digit.
There is no special name for that. Just call it a "26-digit number".