The Number

142987

One Hundred and Forty-Two Thousand Nine Hundred and Eighty-Seven

In Base 8 Octal Is

4272138

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

For more familiar numbers: See One Hundred and Forty-Two Thousand Nine Hundred and Eighty-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

142984
4272108
One Hundred and Forty-Two Thousand Nine Hundred and Eighty-Four in Base 8 Octal
142985
4272118
One Hundred and Forty-Two Thousand Nine Hundred and Eighty-Five in Base 8 Octal
142986
4272128
One Hundred and Forty-Two Thousand Nine Hundred and Eighty-Six in Base 8 Octal
142988
4272148
One Hundred and Forty-Two Thousand Nine Hundred and Eighty-Eight in Base 8 Octal
142989
4272158
One Hundred and Forty-Two Thousand Nine Hundred and Eighty-Nine in Base 8 Octal
142990
4272168
One Hundred and Forty-Two Thousand Nine Hundred and Ninety in Base 8 Octal

Scientific Notation

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

1.42987e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000016525273616205573248

The reciprocal of 142987 in Base 8 Octal.

Palindrome?

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

The number 4272138 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 nine hundred and eighty-seven is a composite number with 8 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 nine hundred and eighty-seven is a composite number with 8 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 nine hundred and eighty-seven has the following 3 prime factors:

13
158
Thirteen in Base 8 Octal
17
218
Seventeen in Base 8 Octal
647
12078
Six Hundred and Forty-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

1581 · 2181 · 120781 = 4272138

Base Conversions

The number one hundred and forty-two thousand nine hundred and eighty-seven in 35 different bases