Discover a lot of information on the number 2: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!
Numerology and symbolism of the number 2
The number 2 (two) represents double, association, cooperation, union, complementarity. It is the symbol of duality.
Mathematical properties of 2
Questions and answers |
Is 2 a prime number? |
Yes |
Is 2 a perfect number? |
No |
Number of divisors |
2 |
List of dividers |
1, 2 |
Sum of divisors |
3 |
Prime factorization |
2 |
Prime factors |
2 |
How to write / spell 2 in letters?
In letters, the number 2 is written as: Two. And in other languages? how does it spell?
2 in other languages |
Write 2 in english |
Two |
Write 2 in french |
Deux |
Write 2 in spanish |
Dos |
Write 2 in portuguese |
Dois |
Mathematical representations and links
Other ways to write 2 |
In letter |
Two |
In roman numeral |
II |
In binary |
10 |
In octal |
2 |
In hexadecimal |
2 |
In US dollars |
USD 2.00 ($) |
In euros |
2,00 EUR (€) |
Some related numbers |
Previous number |
1 |
Next number |
3 |
Next prime number |
3 |
Mathematical operations
Operations and solutions |
2*2 |
= |
4 |
The double of 2 is 4 |
2*3 |
= |
6 |
The triple of 2 is 6 |
2/2 |
= |
1 |
The half of 2 is 1.000000 |
2/3 |
= |
0.66666666666667 |
The third of 2 is 0.666667 |
22 |
= |
4 |
The square of 2 is 4.000000 |
23 |
= |
8 |
The cube of 2 is 8.000000 |
√2 |
= |
1.4142135623731 |
The square root of 2 is 1.414214 |
log(2) |
= |
0.69314718055995 |
The natural (Neperian) logarithm of 2 is 0.693147 |
log10(2) |
= |
0.30102999566398 |
The decimal logarithm (base 10) of 2 is 0.301030 |
sin(2) |
= |
0.90929742682568 |
The sine of 2 is 0.909297 |
cos(2) |
= |
-0.41614683654714 |
The cosine of 2 is -0.416147 |
tan(2) |
= |
-2.1850398632615 |
The tangent of 2 is -2.185040 |