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50,000

## Summary

50,000 (fifty thousand) is the natural number that comes after 49,999 and before 50,001 .

 ← 49999 50000 50001 →
Cardinalfifty thousand
Ordinal50000th
(fifty thousandth)
Factorization24 × 55
Greek numeral${\displaystyle {\stackrel {\epsilon }{\mathrm {M} }}}$
Roman numeralL
Unicode symbol(s)
Binary11000011010100002
Ternary21121202123
Octal1415208
Duodecimal24B2812

## Selected numbers in the range 50001–59999

### 50001 to 50999

• 50069 = 11 + 22 + 33 + 44 + 55 + 66
• 50400 = highly composite number[1]
• 50625 = 154, smallest fourth power that can be expressed as the sum of only five distinct fourth powers, palindromic in base 14 (1464114)
• 50653 = 373, palindromic in base 6 (10303016)

### 51000 to 51999

• 51076 = 2262, palindromic in base 15 (1020115)
• 51641 = Markov number[2]
• 51984 = 2282 = 373 + 113. the smallest square to the sum of only five distinct fourth powers.

### 57000 to 57999

• 57121 = 2392, palindromic in base 14 (16B6114)

### 58000 to 58999

• 58081 = 2412, palindromic in base 15 (1232115)
• 58367 = smallest integer that cannot be expressed as a sum of fewer than 1079 tenth powers
• 58786 = Catalan number[12]
• 58921 = Friedman prime

### 59000 to 59999

• 59049 = 2432 = 95 = 310
• 59051 = Friedman prime
• 59053 = Friedman prime
• 59081 = Zeisel number[4]
• 59263 = Friedman prime
• 59273 = Friedman prime
• 59319 = 393
• 59536 = 2442, palindromic in base 11 (4080411)

There are 924 prime numbers between 50000 and 60000.

## References

1. ^ "Sloane's A002182 : Highly composite numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
2. ^ "Sloane's A002559 : Markoff (or Markov) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
3. ^ "Sloane's A002997 : Carmichael numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
4. ^ a b "Sloane's A051015 : Zeisel numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
5. ^ Sloane, N. J. A. (ed.). "Sequence A030984 (2-automorphic numbers)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2021-09-01.
6. ^ "Sloane's A005188 : Armstrong (or Plus Perfect, or narcissistic) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
7. ^ "Sloane's A195163 : 1000-gonal numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
8. ^ "Sloane's A002201 : Superior highly composite numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
9. ^ "Sloane's A004490 : Colossally abundant numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
10. ^ "Sloane's A001599 : Harmonic or Ore numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
11. ^ "Sloane's A001190 : Wedderburn-Etherington numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
12. ^ "Sloane's A00108 : Catalan numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.