---
title: Number Formatter Property Keys
framework: corefoundation
role: collectionGroup
role_heading: API Collection
path: corefoundation/number-formatter-property-keys
---

# Number Formatter Property Keys

The keys used in key-value pairs to specify the value of number formatter properties.

## Overview

Overview The values for these keys are all CFType objects. The specific types for each key are specified above.

## Topics

### Constants

- [currencyCode](corefoundation/cfnumberformatterkey/currencycode.md)
- [decimalSeparator](corefoundation/cfnumberformatterkey/decimalseparator.md)
- [currencyDecimalSeparator](corefoundation/cfnumberformatterkey/currencydecimalseparator.md)
- [alwaysShowDecimalSeparator](corefoundation/cfnumberformatterkey/alwaysshowdecimalseparator.md)
- [groupingSeparator](corefoundation/cfnumberformatterkey/groupingseparator.md)
- [useGroupingSeparator](corefoundation/cfnumberformatterkey/usegroupingseparator.md)
- [percentSymbol](corefoundation/cfnumberformatterkey/percentsymbol.md)
- [zeroSymbol](corefoundation/cfnumberformatterkey/zerosymbol.md)
- [naNSymbol](corefoundation/cfnumberformatterkey/nansymbol.md)
- [infinitySymbol](corefoundation/cfnumberformatterkey/infinitysymbol.md)
- [minusSign](corefoundation/cfnumberformatterkey/minussign.md)
- [plusSign](corefoundation/cfnumberformatterkey/plussign.md)
- [currencySymbol](corefoundation/cfnumberformatterkey/currencysymbol.md)
- [exponentSymbol](corefoundation/cfnumberformatterkey/exponentsymbol.md)
- [minIntegerDigits](corefoundation/cfnumberformatterkey/minintegerdigits.md)
- [maxIntegerDigits](corefoundation/cfnumberformatterkey/maxintegerdigits.md)
- [minFractionDigits](corefoundation/cfnumberformatterkey/minfractiondigits.md)
- [maxFractionDigits](corefoundation/cfnumberformatterkey/maxfractiondigits.md)
- [groupingSize](corefoundation/cfnumberformatterkey/groupingsize.md)
- [secondaryGroupingSize](corefoundation/cfnumberformatterkey/secondarygroupingsize.md)
- [roundingMode](corefoundation/cfnumberformatterkey/roundingmode.md)
- [roundingIncrement](corefoundation/cfnumberformatterkey/roundingincrement.md)
- [formatWidth](corefoundation/cfnumberformatterkey/formatwidth.md)
- [paddingPosition](corefoundation/cfnumberformatterkey/paddingposition.md)
- [paddingCharacter](corefoundation/cfnumberformatterkey/paddingcharacter.md)
- [defaultFormat](corefoundation/cfnumberformatterkey/defaultformat.md)
- [multiplier](corefoundation/cfnumberformatterkey/multiplier.md)
- [positivePrefix](corefoundation/cfnumberformatterkey/positiveprefix.md)
- [positiveSuffix](corefoundation/cfnumberformatterkey/positivesuffix.md)
- [negativePrefix](corefoundation/cfnumberformatterkey/negativeprefix.md)
- [negativeSuffix](corefoundation/cfnumberformatterkey/negativesuffix.md)
- [perMillSymbol](corefoundation/cfnumberformatterkey/permillsymbol.md)
- [internationalCurrencySymbol](corefoundation/cfnumberformatterkey/internationalcurrencysymbol.md)
- [currencyGroupingSeparator](corefoundation/cfnumberformatterkey/currencygroupingseparator.md)
- [isLenient](corefoundation/cfnumberformatterkey/islenient.md)
- [useSignificantDigits](corefoundation/cfnumberformatterkey/usesignificantdigits.md)
- [minSignificantDigits](corefoundation/cfnumberformatterkey/minsignificantdigits.md)
- [maxSignificantDigits](corefoundation/cfnumberformatterkey/maxsignificantdigits.md)

## See Also

### Constants

- [Number Formatter Styles](corefoundation/number-formatter-styles.md)
- [Number Format Options](corefoundation/number_format_options.md)
- [CFNumberFormatterRoundingMode](corefoundation/cfnumberformatterroundingmode.md)
- [Padding Positions](corefoundation/padding-positions.md)