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8929 is a prime number
BaseRepresentation
bin10001011100001
3110020201
42023201
5241204
6105201
735014
oct21341
913221
108929
116788
125201
1340ab
14337b
1529a4
hex22e1

8929 has 2 divisors, whose sum is σ = 8930. Its totient is φ = 8928.

The previous prime is 8923. The next prime is 8933. The reversal of 8929 is 9298.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5329 + 3600 = 73^2 + 60^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8929 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 11 and base 14.

It is a junction number, because it is equal to n+sod(n) for n = 8897 and 8906.

It is not a weakly prime, because it can be changed into another prime (8923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4464 + 4465.

It is an arithmetic number, because the mean of its divisors is an integer number (4465).

It is an amenable number.

8929 is a deficient number, since it is larger than the sum of its proper divisors (1).

8929 is an equidigital number, since it uses as much as digits as its factorization.

8929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The square root of 8929 is about 94.4933860119. The cubic root of 8929 is about 20.7459952595.

The spelling of 8929 in words is "eight thousand, nine hundred twenty-nine".