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BaseRepresentation
bin1000000000011
312121211
41000003
5112344
630551
714644
oct10003
95554
104099
113097
122457
131b34
1416cb
151334
hex1003

4099 has 2 divisors, whose sum is σ = 4100. Its totient is φ = 4098.

The previous prime is 4093. The next prime is 4111. The reversal of 4099 is 9904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4099 - 23 = 4091 is a prime.

It is a Chen prime.

4099 is a modest number, since divided by 99 gives 40 as remainder.

It is a plaindrome in base 5, base 12 and base 15.

It is a nialpdrome in base 9.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4099.

It is not a weakly prime, because it can be changed into another prime (4091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2049 + 2050.

It is an arithmetic number, because the mean of its divisors is an integer number (2050).

24099 is an apocalyptic number.

4099 is a deficient number, since it is larger than the sum of its proper divisors (1).

4099 is an equidigital number, since it uses as much as digits as its factorization.

4099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 4099 is about 64.0234332100. The cubic root of 4099 is about 16.0039052967.

The spelling of 4099 in words is "four thousand, ninety-nine".