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6995 = 51399
BaseRepresentation
bin1101101010011
3100121002
41231103
5210440
652215
726252
oct15523
910532
106995
11528a
12406b
133251
142799
152115
hex1b53

6995 has 4 divisors (see below), whose sum is σ = 8400. Its totient is φ = 5592.

The previous prime is 6991. The next prime is 6997. The reversal of 6995 is 5996.

Subtracting from 6995 its reverse (5996), we obtain a palindrome (999).

It can be divided in two parts, 69 and 95, that multiplied together give a triangular number (6555 = T114).

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6995 - 22 = 6991 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695 + ... + 704.

It is an arithmetic number, because the mean of its divisors is an integer number (2100).

6995 is a deficient number, since it is larger than the sum of its proper divisors (1405).

6995 is a wasteful number, since it uses less digits than its factorization.

6995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404.

The product of its digits is 2430, while the sum is 29.

The square root of 6995 is about 83.6361166004. The cubic root of 6995 is about 19.1247561448.

The spelling of 6995 in words is "six thousand, nine hundred ninety-five".

Divisors: 1 5 1399 6995