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# Science Fair Project Encyclopedia

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# 9000 (number)

9000 is the natural number following 8999 and preceding 9001.

 Cardinal Nine thousand Ordinal 9000th Factorization $2^3 \cdot 3^2 \cdot 5^3$ Binary 10001100101000 Hexadecimal 2328

## In Other Fields

• ISO 9000 is the ISO's standard for Quality Management System in production environments

## Selected numbers in the range 9001 - 9999

9001 - ISO 9001 is part of ISO 9000
9002 - ISO 9002 is part of ISO 9000
9003 - ISO 9003 is part of ISO 9000
9004 - ISO 9004 is part of ISO 9000
9009 - centered cube number
9025 = 95^2, centered octagonal number
9029 - Sophie Germain prime
9045 - triangular number
9059 - Sophie Germain prime
9072 - decagonal number
9091 - unique prime
9126 - pentagonal pyramidal number
9139 - tetrahedral number
9180 - triangular number
9216 = 96^2
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
9371 - Sophie Germain prime
9409 = 97^2, centered octagonal number
9419 - Sophie Germain prime
9453 - triangular number
9455 - square pyramidal number
9457 - decagonal number
9467 - safe prime
9473 - Sophie Germain prime
9479 - Sophie Germain prime
9539 - Sophie Germain prime
9587 - safe prime
9591 - triangular number
9604 = 98^2
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
9801 = 99^2, centered octagonal number
9839 - safe prime
9850 - decagonal number
9870 - triangular number
9880 - tetrahedral number
9887 - safe prime
9899 - ISO 9899 standard for C programming language
9901 - unique prime
9985 - chiliagonal number
9999 - Kaprekar number
03-10-2013 05:06:04