The Number

138478

One Hundred and Thirty-Eight Thousand Four Hundred and Seventy-Eight

In Base 21 Unovigesimal Is

ek0421

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

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

Nearby Numbers

Positive, nonzero integers within three units

138475
ek0121
One Hundred and Thirty-Eight Thousand Four Hundred and Seventy-Five in Base 21 Unovigesimal
138476
ek0221
One Hundred and Thirty-Eight Thousand Four Hundred and Seventy-Six in Base 21 Unovigesimal
138477
ek0321
One Hundred and Thirty-Eight Thousand Four Hundred and Seventy-Seven in Base 21 Unovigesimal
138479
ek0521
One Hundred and Thirty-Eight Thousand Four Hundred and Seventy-Nine in Base 21 Unovigesimal
138480
ek0621
One Hundred and Thirty-Eight Thousand Four Hundred and Eighty in Base 21 Unovigesimal
138481
ek0721
One Hundred and Thirty-Eight Thousand Four Hundred and Eighty-One in Base 21 Unovigesimal

Scientific Notation

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

1.38478e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00018a76d1f32bb321

The reciprocal of 138478 in Base 21 Unovigesimal.

Palindrome?

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

The number ek0421 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 four hundred and seventy-eight 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.

One hundred and thirty-eight thousand four hundred and seventy-eight 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 one hundred and thirty-eight thousand four hundred and seventy-eight has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
69239
7a0221
Sixty-Nine Thousand Two 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

2211 · 7a02211 = ek0421

Base Conversions

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