The Number

161220

One Hundred and Sixty-One Thousand Two Hundred and Twenty

Nearby Numbers

Positive, nonzero integers within three units

161217
One Hundred and Sixty-One Thousand Two Hundred and Seventeen
161218
One Hundred and Sixty-One Thousand Two Hundred and Eightteen
161219
One Hundred and Sixty-One Thousand Two Hundred and Nineteen
161221
One Hundred and Sixty-One Thousand Two Hundred and Twenty-One
161222
One Hundred and Sixty-One Thousand Two Hundred and Twenty-Two
161223
One Hundred and Sixty-One Thousand Two Hundred and Twenty-Three

Scientific Notation

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

1.61220e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000006202704379109292

The reciprocal of 161220.

Palindrome?

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

The number 161220 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 two hundred and twenty is a composite number with 24 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 two hundred and twenty is a composite number with 24 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 two hundred and twenty has the following 4 prime factors:

2
Two
3
Three
5
Five
2687
Two Thousand Six Hundred and Eighty-Seven

Prime Factorization

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

22 · 31 · 51 · 26871 = 161220

Base Conversions

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