Search a number
-
+
1879 is a prime number
BaseRepresentation
bin11101010111
32120121
4131113
530004
612411
75323
oct3527
92517
101879
111459
121107
13b17
14983
15854
hex757

1879 has 2 divisors, whose sum is σ = 1880. Its totient is φ = 1878.

The previous prime is 1877. The next prime is 1889. The reversal of 1879 is 9781.

It can be divided in two parts, 187 and 9, that added together give a square (196 = 142).

1879 is nontrivially palindromic in base 2 and base 16.

It is a weak prime.

It is an emirp because it is prime and its reverse (9781) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1879 - 21 = 1877 is a prime.

Together with 1877, it forms a pair of twin primes.

1879 is an undulating number in base 16.

1879 is a lucky number.

It is a plaindrome in base 11.

It is a nialpdrome in base 14 and base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 939 + 940.

It is an arithmetic number, because the mean of its divisors is an integer number (940).

1879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1879 is an equidigital number, since it uses as much as digits as its factorization.

1879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 25.

The square root of 1879 is about 43.3474336034. The cubic root of 1879 is about 12.3398228975.

The spelling of 1879 in words is "one thousand, eight hundred seventy-nine".