Number 61 in British English words is sixty-one.
Number consists of 2 digits, two-digit.

Number 61 in American English words is sixty-one, in German words is einundsechzig, in French words is soixante et un, in Spanish words is sesenta y uno, in Italian words is sessantuno, in Dutch words is eenenzestig, in Danish words is en og tres.
If you want to write in words the number 61, it is necessary to use 9 characters.

Number 61 in binary code can be written 111101.

Number 61 in octal code can be written 75.

Number 61 in hexadecimal code can be written 3D.

Number 61 in Roman numerals is LXI.

Unix timestamp 61 converted to human readable date and time is Thursday January 1, 1970, 3:01 AM.

Decimal IP address 61 converted to dotted-decimal format is 0.0.0.61.

The square root of 61 is 7.8102496759067.
Number 61 multiplied by 2 equals 122.
Divided by 2 equals 30.5.
The sum of all digits equals 7.
Number 61 raised to the power of 2 is 3721.
Number 61 raised to the power of 3 is 226981.

The cosine of number 61 is -0.25810163593827.
The sine of number 61 is -0.96611777000839.
The tangent of number 61 is 3.7431679442724.
The radian equivalent of number 61 is 1.0646508437165.
The equivalent of number 61 in degrees is 3495.042550298.
The base-10 logarithm of number 61 is 1.7853298350108.

This number is odd number (an integer that is not evenly divisible by 2).
Number 61 is prime number, a natural number greater than 1 that has no positive divisors other than 1 and itself.