500 (five hundred) is the natural number following 499 and preceding 501. 

500 is a Harshad number in bases 5, 6, 10, 11, 13, 15 and 16. 

Five hundred is also 



501 = 3 × 167. It is: 502 = 2 × 251, also a proposed HTTP status code for indicating server is temporarily overloaded, SMTP status code meaning command not implemented 503 is: 504 = 2 × 3 × 7. It is: 505 = 5 × 101, Harshad number in bases 3, 5 and 6 

This number is the magic constant of "n"×"n" normal magic square and "n"-queens problem for "n" = 10. 

New Mexico – Before October 7, 2007, The United States state of New Mexico had a single area code of 505. The state was, and still is, referred to as 'the 505' in slang. 506 = 2 × 11 × 23. It is: 507 = 3 × 13, Harshad number in bases 13 and 14. 508 = 2 × 127, sum of four consecutive primes (113 + 127 + 131 + 137), Harshad number in base 13. 509 is: 

510 = 2 × 3 × 5 × 17. It is: 511 = 7 × 73. It is: 512 = 2. It is: 513 = 3 × 19. It is: 514 = 2 × 257, it is: 515 = 5 × 103, it is: 516 = 2 × 3 × 43, it is: 517 = 11 × 47, it is: 518 = 2 × 7 × 37, it is: 519 = 3 × 173, it is: QUESTIONS:

Q1:
1. On what day did New Mexico's area code change?
2. What date saw a change in the area code of New Mexico?
3. What was the exact date when New Mexico's area code was changed?
Q2:
1. What used to be the only area code in New Mexico?
2. What was once New Mexico's unique area code?
3. What did New Mexico once have as its only area code?
Q3:
1. What is a quality of the number 500?
2. How can the number 500 be described?
3. What would be an accurate description of the number 500?
Q4:
1. What precedes 500?
2. What's a number that 500 comes after?
3. What number is prior to 500?
Q5:
1. What number does 500 precede?
2. What number comes after 500?
3. What is the numeral following 500?
Q6:
1. What are some bases?
2. Name a couple of bases.
3. Tell us some numbers that are bases.
Q7:
1. According to the article, what number equals "n" ?
2. What number does the article say is equal to "n" ?
3. Which number is the equivalent of "n" in the article?
Q8:
1. Does 500 have more odd or even bases?
2. Is there a higher number of even or odd bases of 500?
3. For 500, are there more even or odd bases?
Q9:
1. Which primes are the four consecutive ones?
2. What four consecutive primes are given in parenthesis?
3. State the four consecutive primes that the article lists in parenthesis?
Q10:
1. What does the HTTP status code do?
2. What's the purpose of the HTTP status code?
3. What function does the HTTP status code have?
Q11:
1. What is 7 times 73?
2. According to the last paragraph what is 7 multipled by 73?
3. If you multiple 73 by 7 what do you get?
Q12:
1. What's the outcome when you multiple 19 by 3?
2. Nineteen times three equals what?
3. What is three times nineteen?
