The Number
2161
Two Thousand One Hundred and Sixty-One
In Base 21 Unovigesimal Is
4ij21
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See Two Thousand One Hundred and Sixty-One in Base 10 Decimal
Nearby Numbers
Positive, nonzero integers within three units
Scientific Notation
Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.
2.161e3
Reciprocal
A number multiplied with its reciprocal is one.
0.0045kj390gb2dj721
The reciprocal of 2161 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 4ij21 is not a palindrome.
A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Two thousand one hundred and sixty-one is the 326th prime number. See primes in Base 21 Unovigesimal
Not A Composite
Composites have more than just these two factors.
Two Thousand One Hundred and Sixty-One is not a composite number because it has exactly two factors: One and Two Thousand One Hundred and Sixty-One
Prime Factors
The number two thousand one hundred and sixty-one has the following 1 prime factor:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
4ij211
= 4ij21
Base Conversions
The number two thousand one hundred and sixty-one in 35 different bases