The Number

142821

One Hundred and Forty-Two Thousand Eight Hundred and Twenty-One

In Base 8 Octal Is

4267458

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

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

Nearby Numbers

Positive, nonzero integers within three units

142818
4267428
One Hundred and Forty-Two Thousand Eight Hundred and Eightteen in Base 8 Octal
142819
4267438
One Hundred and Forty-Two Thousand Eight Hundred and Nineteen in Base 8 Octal
142820
4267448
One Hundred and Forty-Two Thousand Eight Hundred and Twenty in Base 8 Octal
142822
4267468
One Hundred and Forty-Two Thousand Eight Hundred and Twenty-Two in Base 8 Octal
142823
4267478
One Hundred and Forty-Two Thousand Eight Hundred and Twenty-Three in Base 8 Octal
142824
4267508
One Hundred and Forty-Two Thousand Eight Hundred and Twenty-Four in Base 8 Octal

Scientific Notation

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

1.42821e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000016536060437236062148

The reciprocal of 142821 in Base 8 Octal.

Palindrome?

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

The number 4267458 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 forty-two thousand eight hundred and twenty-one is a composite number with 12 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 forty-two thousand eight hundred and twenty-one is a composite number with 12 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 forty-two thousand eight hundred and twenty-one has the following 3 prime factors:

3
38
Three in Base 8 Octal
7
78
Seven in Base 8 Octal
2267
43338
Two Thousand Two Hundred and Sixty-Seven in Base 8 Octal

Prime Factorization

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

382 · 781 · 433381 = 4267458

Base Conversions

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