123 Number Properties & Facts

One Hundred Twenty-Three

Primality

Prime Factorization of 123
31 × 411
Number of Divisors in 123
4
1, 3, 41, 123
1, 3, 41, 123
Is 123 Prime?
No

Trigonometry

Sine of 123
-0.45990349068959
Cosecant: -2.1743692323374
Cosine of 123
-0.88796890669186
Secant: -1.1261655587981
Tangent of 123
0.51792747158566
Cotangent: 1.930772269983

Functions

Square of 123
15129
123 × 123 = 15129
Square Root of 123
11.090536506409
11.0905365064092 = 123
Natural Logarithm (ln) of 123
4.8121843553724
e4.8121843553724 = 123
Decimal Logarithm (log) of 123
2.0899051114394
102.0899051114394 = 123

Numeric Bases

123 in Binary
0b1111011
Base 2
123 in Octal
0173
Base 8
123 in Hexadecimal
0x7B
Base 16

Sequences

Is 123 a Fibonacci Number?
No
Is 123 a Bell Number?
No
Is 123 a Catalan Number?
No
Is 123 a Factorial?
No
Is 123 a Perfect Number?
No

Translations

How do you say 123 in different languages?
Englishone hundred twenty-three
españolciento veintitrés
françaiscent vingt-trois
Deutschein­hundert­drei­und­zwanzig
Nederlandshonderddrie­ën­twintig
русскийсто двадцать три
українськасто двадцять три
Tiếng Việtmột trăm hai mươi ba
العربيةمائة و ثلاثة و عشرون
עבריתמאה עשרים ושלוש
हिन्दीएक सौ तेईस
中文一百二十三
日本語百二十三
한국어백이십삼
češtinasto dvacet tři
hrvatskisto dvadeset i tri
slovenčinajedna­sto dvadsať­tri
polskisto dwadzieścia trzy
Türkçeyüz yirmi üç
portuguêscento e vinte e três
italianocento­venti­tré
svenskaett­hundra­tjugo­tre
suomisata­kaksi­kymmentä­kolme
norskhundre og tjue­tre
Filipinoisáng daán at dalawáng pû’t tatló
Melayuseratus dua puluh tiga
မြန်မာတစ်ရာ့နှစ်ဆယ်သုံး
Indonesiaseratus dua puluh tiga
Kiswahilimia moja na ishirini na tatu

Miscellaneous

Number of Significant Figures in 123
3
Hamming Weight of 123
6
Is 123 a Hamming (Regular) Number?
No
Is 123 a Humble Number?
No
Is 123 a Polygonal (s < 13) Number?
No
Is 123 a Happy Number?
No
Is 123 a Self Describing Number?
No
Is 123 a Palindrome?
No
Is 123 a Münchhausen Number?
No
Is 123 an Eban Number?
No
Is 123 a Pernicious Number?
Yes
Is 123 a Attractive Number?
Yes
Is 123 a Perfect Square?
No
Is 123 a Perfect Power?
No