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18,000

ISO/IEC 18000 defines RFID air interfaces.

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Where 18,000 fits

Where 18,000 fits: Mathematics, Related numbersMathematics: Powerful number, Harshad (Niven) number. Related numbers: 15693.MathematicsPowerful numberHarshad (Niven) numberRelated numbers1569318,000
18,000 connects to 2 worlds: mathematics, related numbers.

Why 18,000 is special

Its part 6C is the standard behind retail item tagging, where a single reader can inventory a room of goods without line of sight.

Factors & digit properties

Divisors (60)
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 240, 250, 300, 360, 375, 400, 450, 500, 600, 720, 750, 900, 1000, 1125, 1200, 1500, 1800, 2000, 2250, 3000, 3600, 4500, 6000, 9000, 18000
Prime factorisation
2^4 × 3^2 × 5^3
Digit sum
9
Digital root
9

Representations

Decimal
18000
Binary
100011001010000
Octal
43120
Hexadecimal
4650
Scientific notation
1.800 × 10^4

Other mathematical patterns

  • Abundant number
  • Powerful number
  • Harshad (Niven) number

Related numbers & connections

Connection
Both specify radio-frequency identification air interfaces, at different ranges and for different purposes.

Both specify radio-frequency identification air interfaces, at different ranges and for different purposes.

View 15693

Other connections

  • is associated with15693
    why?

    Strength 0.50, confidence "high".

How is 18,000 connected to another number? →

Technology & computing

  • ISO/IEC 18000 specifies air interface parameters for radio-frequency identification at several frequency bands. Part 6 covers the UHF band used for supply chain and retail item-level tagging.

    DocumentedTechnology & computingGeography: International — ISO member bodiesPeriod: 2004–

Common questions

Is 18,000 a prime number?

No, 18,000 is not prime.

What are the factors of 18,000?

The factors of 18,000 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 240, 250, 300, 360, 375, 400, 450, 500, 600, 720, 750, 900, 1000, 1125, 1200, 1500, 1800, 2000, 2250, 3000, 3600, 4500, 6000, 9000, 18000.

About this page's data

Mathematical facts:computed directly from the number's value — nothing to source or verify externally.

Contextual records: 1 reviewer-confirmed record, sourced and reviewed before publication.

Last reviewed: 3 August 2026

18,000 — Mathematical Properties and Representations | Numberwise