The Number

840138

Eight Hundred and Forty Thousand One Hundred and Thirty-Eight

In Base 8 Octal Is

31507128

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

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

Nearby Numbers

Positive, nonzero integers within three units

840135
31507078
Eight Hundred and Forty Thousand One Hundred and Thirty-Five in Base 8 Octal
840136
31507108
Eight Hundred and Forty Thousand One Hundred and Thirty-Six in Base 8 Octal
840137
31507118
Eight Hundred and Forty Thousand One Hundred and Thirty-Seven in Base 8 Octal
840139
31507138
Eight Hundred and Forty Thousand One Hundred and Thirty-Nine in Base 8 Octal
840140
31507148
Eight Hundred and Forty Thousand One Hundred and Forty in Base 8 Octal
840141
31507158
Eight Hundred and Forty Thousand One Hundred and Forty-One in Base 8 Octal

Scientific Notation

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

8.40138e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000002376033550516366218

The reciprocal of 840138 in Base 8 Octal.

Palindrome?

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

The number 31507128 is not a palindrome.

Not A Prime Number

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

Eight hundred and forty thousand one hundred and thirty-eight 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.

Eight hundred and forty thousand one hundred and thirty-eight 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 eight hundred and forty thousand one hundred and thirty-eight has the following 4 prime factors:

2
28
Two in Base 8 Octal
3
38
Three in Base 8 Octal
13
158
Thirteen in Base 8 Octal
10771
250238
Ten Thousand Seven Hundred and Seventy-One 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 · 381 · 1581 · 2502381 = 31507128

Base Conversions

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