# Welcome to Integer Numbers

This website is for educational purposes and reference.
The purpose is to supply data, statistic and general information regarding positive integers.
The system includes all integers and data beginning with 1 and ending in 2147483647.

## Integers

The integer number is one that contains no fraction or decimal component. Examples include 3, 1000, -200. This site only lists positive integers.

## Integers vs Whole Numbers

Whole numbers are like integer numbers, except whole numbers can not be negative.

#### Example of Integers

-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 **0** 1 2 3 4 5 6 7 8 9 10

#### Example of Whole Numbers

**0** 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

__Negative Integers__ are those that are only negative, and does not include 0 (zero).

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

__Positive Integers__ are those that are only positive and does not include 0 (zero).

-1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20

## Hash Codes

Hash codes are fixed length data sums of a string, number or data. Hash codes are typically used for encryption, checksums, data storage, compression and data retention.

## Prime Numbers

A prime is a number greater than 1 that has no positives divisors besides 1 and itself. It can be divided evenly only by 1 and itself and it must be a whole number greater then 1.

A list of the first 100 prime numbers are:

2,

3,

5,

7,

11,

13,

17,

19,

23,

29,

31,

37,

41,

43,

47,

53,

59,

61,

67,

71,

73,

79,

83,

89,

97,

101,

103,

107,

109,

113,

127,

131,

137,

139,

149,

151,

157,

163,

167,

173,

179,

181,

191,

193,

197,

199,

211,

223,

227,

229,

233,

239,

241,

251,

257,

263,

269,

271,

277,

281,

283,

293,

307,

311,

313,

317,

331,

337,

347,

349,

353,

359,

367,

373,

379,

383,

389,

397,

401,

409,

419,

421,

431,

433,

439,

443,

449,

457,

461,

463,

467,

479,

487,

491,

499,

503,

509,

521,

523,

541
You can find a larger list of prime numbers up to the first 10,000 here.

Try the Kid's Math Search to find other math sites!