Natural number
30,000 (thirty thousand) is the natural number that comes after 29,999 and before 30,001.
Selected numbers in the range 30001–39999
30001 to 30999
31000 to 31999
32000 to 32999
33000 to 33999
- 33333 = repdigit
- 33461 = Pell number,[11] Markov number[12]
- 33511 = square pyramidal number
- 33781 = octahedral number[4]
34000 to 34999
35000 to 35999
36000 to 36999
- 36100 = sum of the cubes of the first 19 positive integers
- 36463 – number of parallelogram polyominoes with 14 cells[18]
- 36594 = octahedral number[4]
37000 to 37999
38000 to 38999
- 38024 = square pyramidal number
- 38209 = n such that n | (3n + 5)[20]
- 38416 = 144
- 38501 = 74 + 1902: Friedlander-Iwaniec prime.[21] Smallest prime separated by at least 40 from the nearest primes (38461 and 38543). It is thus an isolated prime.[22] Chen prime.[23]
- 38807 = number of non-equivalent ways of expressing 10,000,000 as the sum of two prime numbers[24]
- 38962 = Kaprekar number[25]
39000 to 39999
- 39299 = Integer connected with coefficients in expansion of Weierstrass P-function[26]
- 39304 = 343
- 39559 = octahedral number[4]
- 39648 = tetranacci number[27]
Primes
There are 958 prime numbers between 30000 and 40000.