Search a number
4441 is a prime number
BaseRepresentation
bin1000101011001
320002111
41011121
5120231
632321
715643
oct10531
96074
104441
113378
1226a1
132038
141893
1514b1
hex1159

4441 has 2 divisors, whose sum is σ = 4442. Its totient is φ = 4440.

The previous prime is 4423. The next prime is 4447. The reversal of 4441 is 1444.

It is a happy number.

4441 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3600 + 841 = 60^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 4441 - 25 = 4409 is a prime.

It is a Chen prime.

4441 is a lucky number.

It is a plaindrome in base 11 and base 16.

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 (4447) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220 + 2221.

It is an arithmetic number, because the mean of its divisors is an integer number (2221).

24441 is an apocalyptic number.

It is an amenable number.

4441 is a deficient number, since it is larger than the sum of its proper divisors (1).

4441 is an equidigital number, since it uses as much as digits as its factorization.

4441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64, while the sum is 13.

The square root of 4441 is about 66.6408283262. The cubic root of 4441 is about 16.4371653659.

Adding to 4441 its reverse (1444), we get a palindrome (5885).

It can be divided in two parts, 4 and 441, that multiplied together give a square (1764 = 422).

The spelling of 4441 in words is "four thousand, four hundred forty-one", and thus it is an iban number.