The concept of other numbers:
1, a natural number used to measure the number of things or to indicate the order of things. That is, the numbers represented by the numbers 0, 1, 2, 3, 4, ...
2.integer is a number like -3, -2,-1, 0, 1, 2,3, 10.
3. In an integer, numbers that are not divisible by 2 are called odd numbers.
4. In an integer, the number divisible by 2 is even.
5. Positive number is a mathematical term. Numbers greater than 0 are called positive numbers, and 0 itself is not a positive number.
6. Negative numbers are mathematical terms. Numbers less than 0 are called negative numbers, and negative numbers and positive numbers represent quantities with opposite meanings.
Extended data:
Adjacent number is a mathematical term, which means that in the natural numbers arranged from small to large, the two adjacent numbers before and after a number are the adjacent numbers of the number. Example: Like 5, the adjacent numbers of 5 are 4 and 6.
There are several kinds of numbers, and Arabic numerals are the most common one. Arabic numerals were not invented by Arabs, but by Indians. In fact, it should be listed as Hindi, but it spread to Arabia first and then to the world.
Mathematics [English: Mathematics, from ancient Greece μ? θξμα(máthēma)； Often abbreviated as math or maths], it is a discipline that studies concepts such as quantity, structure, change, space and information.
Mathematics is a universal means for human beings to strictly describe and deduce the abstract structure and mode of things, and can be applied to any problem in the real world. All mathematical objects are artificially defined in essence. In this sense, mathematics belongs to formal science, not natural science. Different mathematicians and philosophers have a series of views on the exact scope and definition of mathematics.