9000 (number)

← 8999 9000 9001 →
List of numbers — Integers ← 0 1k 2k 3k 4k 5k 6k 7k 8k 9k →
Cardinal	nine thousand
Ordinal	9000th (nine thousandth)
Factorization	23× 32× 53
Roman numeral	VMMMM, MX, or IX
Unicode symbol(s)	MX, mx, IX, ix
Binary	100011001010002
Ternary	1101001003
Quaternary	20302204
Quinary	2420005
Senary	1054006
Octal	214508
Duodecimal	526012
Hexadecimal	232816
Vigesimal	12A020
Base 36	6Y036

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

In other fields

• ISO 9000 is the ISO's standard for Quality Management System in production environments. This includes ISO 9001–9004.

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
• 9261 - 21³, largest 4 digit perfect cube
• 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
• 9999 – Kaprekar number, Repdigit