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8099 = 71389
BaseRepresentation
bin1111110100011
3102002222
41332203
5224344
6101255
732420
oct17643
912088
108099
1160a3
12482b
1338c0
142d47
1525ee
hex1fa3

8099 has 8 divisors (see below), whose sum is σ = 10080. Its totient is φ = 6336.

The previous prime is 8093. The next prime is 8101. The reversal of 8099 is 9908.

It is a happy number.

It is a Cunningham number, because it is equal to 902-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8099 - 212 = 4003 is a prime.

It is an Ulam number.

8099 is a modest number, since divided by 99 gives 80 as remainder.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (8093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47 + ... + 135.

It is an arithmetic number, because the mean of its divisors is an integer number (1260).

28099 is an apocalyptic number.

8099 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

8099 is a deficient number, since it is larger than the sum of its proper divisors (1981).

8099 is a wasteful number, since it uses less digits than its factorization.

8099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 8099 is about 89.9944442730. The cubic root of 8099 is about 20.0821620080.

It can be divided in two parts, 809 and 9, that added together give a palindrome (818).

The spelling of 8099 in words is "eight thousand, ninety-nine".

Divisors: 1 7 13 89 91 623 1157 8099