The Number

16181

Sixteen Thousand One Hundred and Eighty-One

In Base 21 Unovigesimal Is

1feb21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Sixteen Thousand One Hundred and Eighty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

16178
1fe821
Sixteen Thousand One Hundred and Seventy-Eight in Base 21 Unovigesimal
16179
1fe921
Sixteen Thousand One Hundred and Seventy-Nine in Base 21 Unovigesimal
16180
1fea21
Sixteen Thousand One Hundred and Eighty in Base 21 Unovigesimal
16182
1fec21
Sixteen Thousand One Hundred and Eighty-Two in Base 21 Unovigesimal
16183
1fed21
Sixteen Thousand One Hundred and Eighty-Three in Base 21 Unovigesimal
16184
1fee21
Sixteen Thousand One Hundred and Eighty-Four in Base 21 Unovigesimal

Scientific Notation

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

1.6181e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000c088hij5877921

The reciprocal of 16181 in Base 21 Unovigesimal.

Palindrome?

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

The number 1feb21 is not a palindrome.

Not A Prime Number

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

Sixteen thousand one hundred and eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Sixteen thousand one hundred and eighty-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 sixteen thousand one hundred and eighty-one has the following 2 prime factors:

11
b21
Eleven in Base 21 Unovigesimal
1471
37121
One Thousand Four Hundred and Seventy-One in Base 21 Unovigesimal

Prime Factorization

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

b211 · 371211 = 1feb21

Base Conversions

The number sixteen thousand one hundred and eighty-one in 35 different bases