2×29

2×29 is the product of the integers 2 and 29. In standard decimal notation it equals 58.

58 is an even number and the prime factorization is 2×29, making it a semiprime. Its divisors are 1, 2, 29, and 58.

In binary it is 111010, and in hexadecimal it is 3A.

As a semiprime, 58 is the product of two primes and serves as a typical example in introductory number theory.

The atomic number of cerium is 58, linking 2×29 to an element used as a catalyst and in alloys.