4101
4101 is the natural number that comes after 4100 and before 4102. In mathematics, it is an odd composite integer with prime factorization 3 × 1367; it is not a prime and cannot be expressed as a sum of two squares because 3 occurs to the first power in its factorization (a standard criterion). Its digits sum to 6, so it is divisible by 3. In base 2, 4101 is 1000000000101, and in hexadecimal it is 0x1005.
In astronomy, (4101) refers to a numbered minor planet; such designations are assigned sequentially as objects
In calendrical use, 4101 CE would be a year in the distant future in the Gregorian calendar
In other uses, 4101 appears as a model, part, or catalog number in various industries, though any