1000003
The number 1000003 is a natural number that follows 1000002 and precedes 1000004. In base 10, it is a seven-digit number. It can be expressed as one million and three. Its prime factorization is 1000003, indicating that it is a prime number. This means that its only positive divisors are 1 and itself. As a prime number, it has significance in number theory and cryptography. The preceding prime number is 999983 and the succeeding prime number is 1000033. The number 1000003 is an odd number. Its digits sum to 4 (1+0+0+0+0+0+3). In scientific notation, it can be written as 1.000003 x 10^6.