The Number

2139

Two Thousand One Hundred and Thirty-Nine

In Base 21 Unovigesimal Is

4hi21

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

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

Nearby Numbers

Positive, nonzero integers within three units

2136
4hf21
Two Thousand One Hundred and Thirty-Six in Base 21 Unovigesimal
2137
4hg21
Two Thousand One Hundred and Thirty-Seven in Base 21 Unovigesimal
2138
4hh21
Two Thousand One Hundred and Thirty-Eight in Base 21 Unovigesimal
2140
4hj21
Two Thousand One Hundred and Forty in Base 21 Unovigesimal
2141
4hk21
Two Thousand One Hundred and Forty-One in Base 21 Unovigesimal
2142
4i021
Two Thousand One Hundred and Forty-Two in Base 21 Unovigesimal

Scientific Notation

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

2.139e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0046j77d41k954721

The reciprocal of 2139 in Base 21 Unovigesimal.

Palindrome?

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

The number 4hi21 is not a palindrome.

Not A Prime Number

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

Two thousand one hundred and thirty-nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two thousand one hundred and thirty-nine is a composite number with 8 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 two thousand one hundred and thirty-nine has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal
31
1a21
Thirty-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

3211 · 12211 · 1a211 = 4hi21

Base Conversions

The number two thousand one hundred and thirty-nine in 35 different bases