9000 (number)

From Wikipedia, the free encyclopedia

9000 (nine thousand) is the natural number following 8999 and preceding 9001.

List of numbers — Integers ← 1k 2k 3k 4k 5k 6k 7k 8k 9k →
Cardinal	9000 nine thousand
Ordinal	9000th nine thousandth
Factorization
Roman numeral	MX or IX
Roman numeral (Unicode)	MX, mx, Ⅸ, ⅸ
Binary	10001100101000
Octal	21450
Duodecimal	5260
Hexadecimal	2328

[edit] In other fields

• ISO 9000 is the ISO's standard for Quality Management System in production environments. This includes ISO 9001-9004.
• Goku's power level is said to read "over 9000" according to Vegeta's scouter in Dragon Ball Z S01E21 "The Return of Goku".

[edit] Selected numbers in the range 9000 - 9999

• 9009 - centered cube number
• 9025 - 95², centered octagonal number
• 9029 - Sophie Germain prime
• 9045 - triangular number
• 9059 - Sophie Germain prime
• 9072 - decagonal number
• 9077 - Markov number
• 9091 - unique prime
• 9126 - pentagonal pyramidal number
• 9139 - tetrahedral number
• 9180 - triangular number
• 9216 - 96²
• 9221 - Sophie Germain prime
• 9224 - octahedral number
• 9241 - cuban prime of the form x = y + 1
• 9272 - weird number
• 9283 - centered heptagonal number
• 9293 - Sophie Germain prime
• 9316 - triangular number
• 9334 - nonagonal number
• 9349 - Lucas prime
• 9371 - Sophie Germain prime
• 9397 - balanced prime
• 9409 - 97², centered octagonal number
• 9419 - Sophie Germain prime
• 9453 - triangular number
• 9455 - square pyramidal number
• 9457 - decagonal number
• 9467 - safe prime
• 9473 - Sophie Germain prime, balanced prime
• 9479 - Sophie Germain prime
• 9539 - Sophie Germain prime
• 9587 - safe prime
• 9591 - triangular number
• 9604 - 98²
• 9629 - Sophie Germain prime
• 9647 - centered heptagonal number
• 9660 - ISO 9660 standard for CD-ROM file system
• 9689 - Sophie Germain prime
• 9699 - nonagonal number
• 9730 - triangular number
• 9743 - safe prime
• 9791 - Sophie Germain prime
• 9800 - member of a Ruth-Aaron pair (first definition) with 9801
• 9801 - 99², centered octagonal number, member of a Ruth-Aaron pair (first definition) with 9800
• 9839 - safe prime
• 9850 - decagonal number
• 9855 - magic constant of n × n normal magic square and n-Queens Problem for n = 27.
• 9870 - triangular number
• 9871 - balanced prime
• 9880 - tetrahedral number
• 9887 - safe prime
• 9899 - ISO 9899 standard for C programming language
• 9901 - unique prime
• 9923 - probably smallest certainly executable prime number on x86 MS-DOS [1]
• 9985 - chiliagonal number
• 9999 - Kaprekar number