*historicsweetsballroom.com! editors have selected this write-up as a favourite of 2012. It very first appeared ~ above historicsweetsballroom.com! historicsweetsballroom.com in September and was among the most renowned stories that the month. Readers joked about people who usage the most usual PIN codes, and also shared how they come up with their own. "My pen number is my article office crate number from my time in the Air pressure 30 years back on a base the no longer exists," wrote user Nick. "Feel totally free to hack that."*

If you lost your ATM map on the street, exactly how easy would it be because that someone to appropriately guess your PIN and proceed to clean the end your savings account? quite easy, according to data scientist Nick Berry, founder of Data Genetics, a Seattle an innovation consultancy.

You are watching: All possible combinations of 4 numbers 1-4

Berry analyzed passwords from previously released and also exposed tables and security breaches, filtering the results to just those that were specifically four digits lengthy <0-9>. There are 10,000 possible combinations the the number 0-9 have the right to be arranged right into to kind a four-digit code. Berry analyzed those to discover which room the least and also most predictable. He speculates that, if users choose a four-digit password for an digital account or other web site, it"s no a stretch to usage the exact same number for their four-digit financial institution PIN codes.

Somewhat intriguing to be #22 ~ above the most usual password list: 2580. It appears random, however if girlfriend look in ~ a call keypad (or ATM keypad), you"ll watch those numbers space straight under the middle — yet another sign the we"re uncreative and lazy password makers.

**The the very least Predictable Password**

The least-used pin is 8068, Berry found, with simply 25 cases in the 3.4 million set, which equals 0.000744%. (See the second table because that the least renowned passwords.) Why this collection of numbers? Berry guesses, "It"s no a repeating pattern, it"s not a birthday, it"s no the year Columbus discovered America, it"s not 1776." in ~ a certain point, these numbers in ~ the bottom of the list space all kind of "the shortest of the low, they"re all noise," he says.

See more: What Is A Pure Imaginary Number S (Article), Pure Imaginary Number Definition & Meaning

A few other interesting tidbits native Berry:

-The most renowned PIN password (1234) is used more than the shortest 4,200 password combined. - human being have even less creativity in picking five-digit passwords — 28% use **12345**. - The fourth most renowned seven-digit password is **8675309**, motivated by the Tommy Tutone song. -People love utilizing **couplets **for their PINs: 4545, 1313, etc. And for some reason, they don"t favor using pairs of numbers that have larger number gaps between them. Combinations favor 45 and also 67 happen much more frequently than 29 and also 37. - The 17th most common 10-digit password is **3141592654** (for those of girlfriend who space not math nerds, those room the first digits the Pi).