The Number

121872

One Hundred and Twenty-One Thousand Eight Hundred and Seventy-Two

Nearby Numbers

Positive, nonzero integers within three units

121869
One Hundred and Twenty-One Thousand Eight Hundred and Sixty-Nine
121870
One Hundred and Twenty-One Thousand Eight Hundred and Seventy
121871
One Hundred and Twenty-One Thousand Eight Hundred and Seventy-One
121873
One Hundred and Twenty-One Thousand Eight Hundred and Seventy-Three
121874
One Hundred and Twenty-One Thousand Eight Hundred and Seventy-Four
121875
One Hundred and Twenty-One Thousand Eight Hundred and Seventy-Five

Scientific Notation

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

1.21872e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000008205330182486543

The reciprocal of 121872.

Palindrome?

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

The number 121872 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 twenty-one thousand eight hundred and seventy-two is a composite number with 20 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 twenty-one thousand eight hundred and seventy-two is a composite number with 20 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 twenty-one thousand eight hundred and seventy-two has the following 3 prime factors:

2
Two
3
Three
2539
Two Thousand Five Hundred and Thirty-Nine

Prime Factorization

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

24 · 31 · 25391 = 121872

Base Conversions

The number one hundred and twenty-one thousand eight hundred and seventy-two in 35 different bases