The Number

390139

Three Hundred and Ninety Thousand One Hundred and Thirty-Nine

In Base 21 Unovigesimal Is

202e121

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

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

Nearby Numbers

Positive, nonzero integers within three units

390136
202dj21
Three Hundred and Ninety Thousand One Hundred and Thirty-Six in Base 21 Unovigesimal
390137
202dk21
Three Hundred and Ninety Thousand One Hundred and Thirty-Seven in Base 21 Unovigesimal
390138
202e021
Three Hundred and Ninety Thousand One Hundred and Thirty-Eight in Base 21 Unovigesimal
390140
202e221
Three Hundred and Ninety Thousand One Hundred and Forty in Base 21 Unovigesimal
390141
202e321
Three Hundred and Ninety Thousand One Hundred and Forty-One in Base 21 Unovigesimal
390142
202e421
Three Hundred and Ninety 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.

3.90139e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a9hb2if7k10cb21

The reciprocal of 390139 in Base 21 Unovigesimal.

Palindrome?

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

The number 202e121 is not a palindrome.

Not A Prime Number

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

Three hundred and ninety thousand one hundred and thirty-nine is a composite number with 6 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Three hundred and ninety thousand one hundred and thirty-nine is a composite number with 6 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 three hundred and ninety thousand one hundred and thirty-nine has the following 2 prime factors:

43
2121
Forty-Three in Base 21 Unovigesimal
211
a121
Two Hundred and Eleven in Base 21 Unovigesimal

Prime Factorization

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

21212 · a1211 = 202e121

Base Conversions

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