Base | Representation |
---|---|
bin | 110101001001011 |
3 | 1101022211 |
4 | 12221023 |
5 | 1332321 |
6 | 325551 |
7 | 142222 |
oct | 65113 |
9 | 41284 |
10 | 27211 |
11 | 19498 |
12 | 138b7 |
13 | c502 |
14 | 9cb9 |
15 | 80e1 |
hex | 6a4b |
27211 has 2 divisors, whose sum is σ = 27212. Its totient is φ = 27210.
The previous prime is 27197. The next prime is 27239. The reversal of 27211 is 11272.
It is a m-pointer prime, because the next prime (27239) can be obtained adding 27211 to its product of digits (28).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 27211 - 25 = 27179 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 27191 and 27200.
It is not a weakly prime, because it can be changed into another prime (27241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13605 + 13606.
It is an arithmetic number, because the mean of its divisors is an integer number (13606).
227211 is an apocalyptic number.
27211 is a deficient number, since it is larger than the sum of its proper divisors (1).
27211 is an equidigital number, since it uses as much as digits as its factorization.
27211 is an evil number, because the sum of its binary digits is even.
The product of its digits is 28, while the sum is 13.
The square root of 27211 is about 164.9575703022. The cubic root of 27211 is about 30.0779454563.
Adding to 27211 its reverse (11272), we get a palindrome (38483).
It can be divided in two parts, 272 and 11, that multiplied together give a palindrome (2992).
The spelling of 27211 in words is "twenty-seven thousand, two hundred eleven", and thus it is an iban number.
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