Benford's tables and more recent research shows that Benford's Law applies to a surprisingly large variety of data although it does not apply to normally distributed data (where the numbers cluster about a mean and hence many have the same first digit
), random numbers such as lottery results where the first digits
are truly random and telephone numbers.
Clues to the answer to this question resides in the fact that the number 9 is the highest digit
in the base 10 number system; in fact, all of the above properties hold for the highest digit
in any base b.
297), the well-known type of mnemonic which uses the length of successive words to represent a sequence of decimal digits
(with a ten-letter word for each occurrence of zero) is not particularly efficient.
was spoken 100 times by one speaker-man and one speaker-woman and recognized digits
together with the confidence scores were recorded.
The purpose of this paper is to share with other instructors a teaching technique which I have used to introduce digit
Unfortunately, in this case the extra digit
was one manifestation of a number of genetic abnormalities.
If trailing digit
is 3, possible initial digits
are 2 and 7, but if initial digit
is 7 and trailing digit
is 3, the number is divisible by 3.
In this context, however, "large" means on the order of 100 digits
5, 6 and 7 appear much more frequently than expected, while the digit
1 is noticeably absent.
The next eight numbers are the item or patron number, followed by a check digit
Reports in the media, and speculation in social media resulted in fake news, where users were made to believe that their mobile numbers will be made up of 13 digits
from July 2018.