# 121 Number Properties & Facts

One Hundred Twenty-One

## Primality

Prime Factorization of 121
112
Number of Divisors of 121
3
1, 11, 121
1, 11, 121
Is 121 Prime?
No

## Trigonometry

Sine of 121
0.99881522472358
Cosecant: 1.0011861806339
Cosine of 121
-0.048663609200154
Secant: -20.549236204142
Tangent of 121
-20.524889977138
Cotangent: -0.048721333030963

## Functions

Square of 121
14641
121 × 121 = 14641
Square Root of 121
11
112 = 121
Natural Logarithm (ln) of 121
4.7957905455967
e4.7957905455967 = 121
Decimal Logarithm (log) of 121
2.0827853703164
102.0827853703164 = 121

## Sequences

Is 121 a Fibonacci Number?
No
Is 121 a Bell Number?
No
Is 121 a Catalan Number?
No
Is 121 a Factorial?
No
Is 121 a Perfect Number?
No

## Translations

How do you say 121 in different languages?
 English one hundred twenty-one español ciento veintiuno français cent vingt-et-un Deutsch ein­hundert­ein­und­zwanzig Nederlands honderdeen­en­twintig русский сто двадцать один українська сто двадцять один Tiếng Việt một trăm hai mươi mốt العربية مائة و واحد و عشرون עברית מאה עשרים ואחת हिन्दी एक सौ इक्कीस 中文 一百二十一 日本語 百二十一 한국어 백이십일 čeština sto dvacet jeden hrvatski sto dvadeset i jedan slovenčina jedna­sto dvadsať­jeden polski sto dwadzieścia jeden Türkçe yüz yirmi bir português cento e vinte e um italiano cento­vent­uno svenska ett­hundra­tjugo­ett suomi sata­kaksi­kymmentä­yksi norsk hundre og tjue­én Filipino isáng daán at dalawáng pû’t isá Melayu seratus dua puluh satu မြန်မာ တစ်ရာ့နှစ်ဆယ်တစ် Indonesia seratus dua puluh satu Kiswahili mia moja na ishirini na moja

## Numeric Bases

121 in Binary (Base 2)
0b1111001
One's Complement: 0000110
Two's Complement: 0000111
121 in Octal (Base 8)
0171
0x79

## Miscellaneous

• 121 is an odd number
• 121 has 3 Significant Figures
• The Hamming Weight of 121 is 5
• 121 is not a Hamming (Regular) Number
• 121 is not a Humble Number
• 121 is a Polygonal (s < 13) Number: Square (11)
• 121 is not a Happy Number
• 121 is not a Self Describing Number
• 121 is a Palindrome
• 121 is not a Münchhausen Number
• 121 is not an Eban Number
• 121 is a Pernicious Number
• 121 is an Attractive Number
• 121 is a Perfect Square
• 121 is a Perfect Power