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Number 13

Number 13 basic info

Number 13 has 2 digits. Number 13 in English words is "thirteen". Number 13 can be read digit by digit as "one three". Number 13 is odd. Number 13 is not divisible by any single digit number. Number 13 is surely a prime number.

Number 13 conversions

Number 13 in binary code is 1101. Number 13 in octal code is: 15. Number 13 in hexadecimal (hexa): d. Number 13 in Roman numbers is: XIII.

The sum of all digits of this number is 4. The digital root (repeated digital sum until you get single-digit number) is 4. Number 13 divided by two (halved) equals 6.5. Number 13 multiplied by two (doubled) equals 26. Number 13 multiplied by ten equals 130. Number 13 raised to the power of 2 equals 169. Number 13 raised to the power of 3 equals 2197. The square root (sqrt) of 13 is 3.605551275464. The sine (sin) of 13 degree is 0.22495105434386. The cosine (cos) of 13 degree is 0.97437006478524. The base-10 logarithm of 13 equals 1.1139433523068. The natural logarithm of 13 equals 2.5649493574615. The number 2 raised to the power of 13 is 8192. The factorial of 13 equals 6227020800. The number 13 can be encoded to characters as AC. The number 13 can be encrypted to chemical element names as hydrogen, lithium.

Numbers simmilar to 13

Numbers simmilar to number 13 (one digit altered): 3231214

Possible variations of 13 with a digit pair swapped: 31

Number 13 typographic errors with one digit missing: 31

Number 13 typographic errors with one digit doubled: 113133

Previous number: 12
Next number: 14

Several randomly selected numbers:

8513035492460994879214411243284455478263058895272082745765549985300062034003623118293610421314525111329851010873700023586990966914601706852034004277481485285897692624634981166655548884471206195411539810713773880392044787687389045447245187775390644474779986330369882519164239567598370513543951798059438291470545251818389112494933200537257784163014450731933815175046221364951335932226.