90,000

← 89999

90000

90001 →

← 0 [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]] [[{{#expr:{{{1}}}*{{{factor}}}*1000}} (number)|{{#ifeq:{{{1}}}|10|→|{{#expr:{{{1}}}*{{{factor}}}}}k}}]]

Cardinal

ninety thousand

Ordinal

90000th
(ninety thousandth)

2⁴× 3²× 5⁴

10101111110010000₂

11120110100₃

111332100₄

10340000₅

1532400₆

257620₈

44100₁₂

15F90₁₆

B500₂₀

1XG0₃₆

90000 (ninety thousand) is the natural number that comes after 89999 and before 90001.

Selected numbers in the range 90000–99999

90000 – sum of the cubes of the first 24 positive integers, square of 300.
90625 – the only five-digit automorphic number: 90625² = 8212890625^[1]
93312 – Leyland number: 6⁶ + 6⁶.^[2] Also a 3-smooth number.
94249 – palindromic square: 307²
94932 – Leyland number: 7⁵ + 5⁷^[2]
95121 – Kaprekar number: 95121² = 9048004641; 90480 + 04641 = 95121^[3]
96557 – Markov number: 5² + 6466² + 96557² = 3 × 5 × 6466 × 96557^[4]
98304 – 3-smooth number
99066 – largest number whose square uses all of the decimal digits once: 99066² = 9814072356. It is also a rotationally symmetric ambigram in decimal.
99991 - largest five-digit prime number
99999 – repdigit, Kaprekar number: 99999² = 9999800001; 99998 + 00001 = 99999^[3]

References

↑ "Sloane's A003226 : Automorphic numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
1 2 "Sloane's A076980 : Leyland numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
1 2 "Sloane's A006886 : Kaprekar numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.
↑ "Sloane's A002559 : Markoff (or Markov) numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-06-16.

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.