155999

155999 is an integer. It is an odd number, as it is not divisible by two. Its prime factorization is 3 x 52000. This makes it a composite number. The number 155999 falls between the integers 155998 and 156000. It is larger than one million. The sum of its digits is 1 + 5 + 5 + 9 + 9 + 9 = 38. In Roman numerals, 155999 would be represented by a complex combination of symbols, as Roman numerals do not have a standard system for very large numbers beyond a few thousand. The number does not appear to be a commonly recognized mathematical constant or a number with significant historical or scientific associations in general knowledge. Further specific contexts would be required to assign a more specialized meaning to 155999.