30000 (number)

← 29999 30001 → 30000
List of numbers — Integers ← 10k 20k 30k 40k 50k 60k 70k 80k 90k →
Cardinal	30000
Ordinal	30000th (thirty thousandth)
Factorization	$2^4 \cdot 3 \cdot 5^4$
Roman numeral	XXX
Binary	111010100110000₂
Octal	72460₈
Duodecimal	15440₁₂
Hexadecimal	7530₁₆

30,000 (thirty thousand) is the number that comes after 29,999 and before 30,001.

Selected numbers

30000 – round number
30029 – primorial prime
30030 – primorial
30240 – harmonic divisor number
30420 – pentagonal pyramidal number
30694 – open meandric number
31116 – octahedral number
31337 – cousin prime, pronounced elite, an alternate way to spell 1337, an obfuscated alphabet made with numbers and punctuation, known and used in the gamer, hacker and BBS cultures.
31395 – square pyramidal number
31397 – prime number followed by primal prime gap of 72.
31929 – Zeisel number
32043 – smallest number whose square (algebra) is pandigital.
32045 – can be expressed as a sum of two squares in more ways than any smaller number
32760 – harmonic divisor number
32761 – $181^2$ , centered hexagonal number
32767 – $2^{15} - 1$ , largest positive value for a signed (two's complement) 16-bit integer on a computer.
32768 – $2^{15}$ , maximum absolute value of a negative value for a signed (two's complement) 16-bit integer on a computer.
32800 – pentagonal pyramidal number
32993 – Leyland number
33461 – Pell number, Markov number
33511 – square pyramidal number
33781 – octahedral number
34483 – cousin prime, strong prime
34487 – cousin prime
34499 – twin prime
34501 – twin prime
35720 – square pyramidal number
35840 – number of ounces in a long ton (2,240 pounds)
35890 – tribonacci number
35899 – alternating factorial
35937 – chiliagonal number
36100 – sum of the cubes of the first 19 positive integers
36594 – octahedral number
37378 – semi-meandric number
37666 – Markov number
37926 – pentagonal pyramidal number
38024 – square pyramidal number
38962 – Kaprekar number
39559 – octahedral number
39648 – tetranacci number