Search a number
-
+
101503 is a prime number
BaseRepresentation
bin11000110001111111
312011020101
4120301333
511222003
62101531
7601633
oct306177
9164211
10101503
116a296
124a8a7
133727c
1428dc3
152011d
hex18c7f

101503 has 2 divisors, whose sum is σ = 101504. Its totient is φ = 101502.

The previous prime is 101501. The next prime is 101513. The reversal of 101503 is 305101.

It is an a-pointer prime, because the next prime (101513) can be obtained adding 101503 to its sum of digits (10).

It is a weak prime.

It is an emirp because it is prime and its reverse (305101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101503 - 21 = 101501 is a prime.

Together with 101501, it forms a pair of twin primes.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 101503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50751 + 50752.

It is an arithmetic number, because the mean of its divisors is an integer number (50752).

2101503 is an apocalyptic number.

101503 is a deficient number, since it is larger than the sum of its proper divisors (1).

101503 is an equidigital number, since it uses as much as digits as its factorization.

101503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 101503 is about 318.5953546428. The cubic root of 101503 is about 46.6472765250.

Adding to 101503 its reverse (305101), we get a palindrome (406604).

It can be divided in two parts, 10150 and 3, that added together give a triangular number (10153 = T142).

The spelling of 101503 in words is "one hundred one thousand, five hundred three".