The Number

161021

One Hundred and Sixty-One Thousand and Twenty-One

Nearby Numbers

Positive, nonzero integers within three units

161018
One Hundred and Sixty-One Thousand and Eightteen
161019
One Hundred and Sixty-One Thousand and Nineteen
161020
One Hundred and Sixty-One Thousand and Twenty
161022
One Hundred and Sixty-One Thousand and Twenty-Two
161023
One Hundred and Sixty-One Thousand and Twenty-Three
161024
One Hundred and Sixty-One Thousand and Twenty-Four

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.61021e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000006210370075952826

The reciprocal of 161021.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 161021 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One hundred and sixty-one thousand and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

One hundred and sixty-one thousand and twenty-one is a composite number with 4 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one hundred and sixty-one thousand and twenty-one has the following 2 prime factors:

7
Seven
23003
Twenty-Three Thousand and Three

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

71 · 230031 = 161021

Base Conversions

The number one hundred and sixty-one thousand and twenty-one in 35 different bases