Base | Representation |
---|---|
bin | 111011100000110… |
… | …000000010010111 |
3 | 2120120202001201102 |
4 | 323200300002113 |
5 | 4021100103421 |
6 | 243024020315 |
7 | 33512416013 |
oct | 7340600227 |
9 | 2516661642 |
10 | 998441111 |
11 | 472659648 |
12 | 23a46169b |
13 | 12bb12775 |
14 | 96863543 |
15 | 5c9c460b |
hex | 3b830097 |
998441111 has 2 divisors, whose sum is σ = 998441112. Its totient is φ = 998441110.
The previous prime is 998441077. The next prime is 998441131. The reversal of 998441111 is 111144899.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (111144899) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 998441111 - 26 = 998441047 is a prime.
It is equal to p50772476 and since 998441111 and 50772476 have the same sum of digits, it is a Honaker prime.
It is a nialpdrome in base 10.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (998441131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499220555 + 499220556.
It is an arithmetic number, because the mean of its divisors is an integer number (499220556).
Almost surely, 2998441111 is an apocalyptic number.
998441111 is a deficient number, since it is larger than the sum of its proper divisors (1).
998441111 is an equidigital number, since it uses as much as digits as its factorization.
998441111 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 10368, while the sum is 38.
The square root of 998441111 is about 31598.1187889406. The cubic root of 998441111 is about 999.4801000843.
The spelling of 998441111 in words is "nine hundred ninety-eight million, four hundred forty-one thousand, one hundred eleven".
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