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Search in Decimals

Tool to search digits or digits patterns (id number, birth date, etc.) in the decimals of some numbers (Pi, e, square root of 2 etc.)

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Search in Decimals -

Tag(s) : Mathematics, Fun/Miscellaneous

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Search in Decimals

Search in Digits of Number N










Pattern search


Digits Extractor



Tool to search digits or digits patterns (id number, birth date, etc.) in the decimals of some numbers (Pi, e, square root of 2 etc.)

Answers to Questions

How to find a pattern in decimal places of a number?

Generally, if the number is a relatively random universe number (like π or e or phi, even if it is a conjecture) then it is not possible to predict the position of a number or pattern of digits, the only mean is to browse them in the order.

Example: Search birth date '18/08/1998 'in pi, found in position 794769.

For dCode, the first decimal 1 in pi = 3.14159 is in position 1. Other programs use position 0, or position 2 (the digit 3 before the decimal point/dot is then considered as position 1).

dCode knows the decimals up to 1000000 (one million) digits.

What is a disjuctive number?

A disjuctive number (rich number or universe number) is defined as a real number whose representation contains any combination of numbers.

Mathematicians believe that irrational constants such as $ \pi $ or $ \sqrt{2} $ are universe numbers but this has not yet been proven.

Source code

dCode retains ownership of the online 'Search in Decimals' tool source code. Except explicit open source licence (indicated CC / Creative Commons / free), any algorithm, applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any function (convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (PHP, Java, C#, Python, Javascript, Matlab, etc.) no data, script or API access will be for free, same for Search in Decimals download for offline use on PC, tablet, iPhone or Android !

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Questions / Comments

Thanks to your feedback and relevant comments, dCode has developped the best Search in Decimals tool, so feel free to write! Thank you !


Source : https://www.dcode.fr/decimal-search
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