3949

3949 is a natural number that follows 3948 and precedes 3950. In mathematics, it is composite, with prime factorization 11 × 359, where 359 is a prime. The digit sum is 25, so it is not divisible by 3. It is odd and not a multiple of 5. In modular arithmetic, 3949 ≡ 1 (mod 4) and ≡ 1 (mod 3).

In numeral systems, 3949 is represented as MMMCMXLIX in Roman numerals. In hexadecimal, it is 0xF6D, and in binary it is 111101101101.

The number is not a square or a cube, and it does not belong to most common named sequences. It can be used in computing as an identifier, model number, or catalog placeholder, but there is no widely recognized mathematical constant or theorem specifically associated with 3949. As a year, 3949 would fall in the distant future and could appear in speculative fiction or worldbuilding. The number’s distinct representations and factorization make it a typical example of a composite integer.