Discover a lot of information on the number 1321: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!

## Mathematical properties of 1321

Is 1321 a prime number? Yes
Is 1321 a perfect number? No
Number of divisors 2
List of dividers 1, 1321
Sum of divisors 1322
Prime factorization 1321
Prime factors 1321

## How to write / spell 1321 in letters?

In letters, the number 1321 is written as: One thousand three hundred and twenty-one. And in other languages? how does it spell?

1321 in other languages
Write 1321 in english One thousand three hundred and twenty-one
Write 1321 in french Mille trois cent vingt et un
Write 1321 in spanish Mil trescientos veintiuno
Write 1321 in portuguese Mil trezentos vinte e um

## Decomposition of the number 1321

The number 1321 is composed of:

2 iterations of the number 1 : The number 1 (one) represents the uniqueness, the unique, a starting point, a beginning.... Find out more about the number 1

1 iteration of the number 3 : The number 3 (three) is the symbol of the trinity. He also represents the union.... Find out more about the number 3

1 iteration of the number 2 : The number 2 (two) represents double, association, cooperation, union, complementarity. It is the symbol of duality.... Find out more about the number 2

Other ways to write 1321
In letter One thousand three hundred and twenty-one
In roman numeral MCCCXXI
In binary 10100101001
In octal 2451
In US dollars USD 1,321.00 (\$)
In euros 1 321,00 EUR (€)
Some related numbers
Previous number 1320
Next number 1322
Next prime number 1327

## Mathematical operations

Operations and solutions
1321*2 = 2642 The double of 1321 is 2642
1321*3 = 3963 The triple of 1321 is 3963
1321/2 = 660.5 The half of 1321 is 660.500000
1321/3 = 440.33333333333 The third of 1321 is 440.333333
13212 = 1745041 The square of 1321 is 1745041.000000
13213 = 2305199161 The cube of 1321 is 2305199161.000000
√1321 = 36.345563690772 The square root of 1321 is 36.345564
log(1321) = 7.1861443045223 The natural (Neperian) logarithm of 1321 is 7.186144
log10(1321) = 3.1209028176145 The decimal logarithm (base 10) of 1321 is 3.120903
sin(1321) = 0.99921162842141 The sine of 1321 is 0.999212
cos(1321) = 0.039700398328381 The cosine of 1321 is 0.039700
tan(1321) = 25.168806120192 The tangent of 1321 is 25.168806