The Number

138490

One Hundred and Thirty-Eight Thousand Four Hundred and Ninety

In Base 8 Octal Is

4163728

The numbers with a 8 subscript use Base 8 Octal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

138487
4163678
One Hundred and Thirty-Eight Thousand Four Hundred and Eighty-Seven in Base 8 Octal
138488
4163708
One Hundred and Thirty-Eight Thousand Four Hundred and Eighty-Eight in Base 8 Octal
138489
4163718
One Hundred and Thirty-Eight Thousand Four Hundred and Eighty-Nine in Base 8 Octal
138491
4163738
One Hundred and Thirty-Eight Thousand Four Hundred and Ninety-One in Base 8 Octal
138492
4163748
One Hundred and Thirty-Eight Thousand Four Hundred and Ninety-Two in Base 8 Octal
138493
4163758
One Hundred and Thirty-Eight Thousand Four Hundred and Ninety-Three in Base 8 Octal

Scientific Notation

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

1.38490e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000017111152530754151448

The reciprocal of 138490 in Base 8 Octal.

Palindrome?

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

The number 4163728 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 ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

One hundred and thirty-eight thousand four hundred and ninety 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 four hundred and ninety has the following 4 prime factors:

2
28
Two in Base 8 Octal
5
58
Five in Base 8 Octal
11
138
Eleven in Base 8 Octal
1259
23538
One Thousand Two Hundred and Fifty-Nine in Base 8 Octal

Prime Factorization

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

281 · 581 · 1381 · 235381 = 4163728

Base Conversions

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