The Number

138861

One Hundred and Thirty-Eight Thousand Eight Hundred and Sixty-One

In Base 21 Unovigesimal Is

eki921

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

For more familiar numbers: See One Hundred and Thirty-Eight Thousand Eight Hundred and Sixty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138858
eki621
One Hundred and Thirty-Eight Thousand Eight Hundred and Fifty-Eight in Base 21 Unovigesimal
138859
eki721
One Hundred and Thirty-Eight Thousand Eight Hundred and Fifty-Nine in Base 21 Unovigesimal
138860
eki821
One Hundred and Thirty-Eight Thousand Eight Hundred and Sixty in Base 21 Unovigesimal
138862
ekia21
One Hundred and Thirty-Eight Thousand Eight Hundred and Sixty-Two in Base 21 Unovigesimal
138863
ekib21
One Hundred and Thirty-Eight Thousand Eight Hundred and Sixty-Three in Base 21 Unovigesimal
138864
ekic21
One Hundred and Thirty-Eight Thousand Eight Hundred and Sixty-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.

1.38861e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000188d95ikh13b21

The reciprocal of 138861 in Base 21 Unovigesimal.

Palindrome?

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

The number eki921 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 thirty-eight thousand eight hundred and sixty-one is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-eight thousand eight hundred and sixty-one is a composite number with 16 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 thirty-eight thousand eight hundred and sixty-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
37
1g21
Thirty-Seven in Base 21 Unovigesimal
139
6d21
One Hundred and Thirty-Nine in Base 21 Unovigesimal

Prime Factorization

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

3213 · 1g211 · 6d211 = eki921

Base Conversions

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