The Number

390142

Three Hundred and Ninety Thousand One Hundred and Forty-Two

In Base 21 Unovigesimal Is

202e421

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

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

Nearby Numbers

Positive, nonzero integers within three units

390139
202e121
Three Hundred and Ninety Thousand One Hundred and Thirty-Nine 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
390143
202e521
Three Hundred and Ninety Thousand One Hundred and Forty-Three in Base 21 Unovigesimal
390144
202e621
Three Hundred and Ninety Thousand One Hundred and Forty-Four in Base 21 Unovigesimal
390145
202e721
Three Hundred and Ninety Thousand One Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

3.90142e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a9ha84kb1dg521

The reciprocal of 390142 in Base 21 Unovigesimal.

Palindrome?

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

The number 202e421 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 forty-two 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.

Three hundred and ninety thousand one hundred and forty-two 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 three hundred and ninety thousand one hundred and forty-two has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
195071
1017221
One Hundred and Ninety-Five Thousand 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

2211 · 10172211 = 202e421

Base Conversions

The number three hundred and ninety thousand one hundred and forty-two in 35 different bases