The Number

142121

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

In Base 8 Octal Is

4254518

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

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

Nearby Numbers

Positive, nonzero integers within three units

142118
4254468
One Hundred and Forty-Two Thousand One Hundred and Eightteen in Base 8 Octal
142119
4254478
One Hundred and Forty-Two Thousand One Hundred and Nineteen in Base 8 Octal
142120
4254508
One Hundred and Forty-Two Thousand One Hundred and Twenty in Base 8 Octal
142122
4254528
One Hundred and Forty-Two Thousand One Hundred and Twenty-Two in Base 8 Octal
142123
4254538
One Hundred and Forty-Two Thousand One Hundred and Twenty-Three in Base 8 Octal
142124
4254548
One Hundred and Forty-Two Thousand One 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.

1.42121e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000016603077516544353148

The reciprocal of 142121 in Base 8 Octal.

Palindrome?

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

The number 4254518 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 one hundred and twenty-one 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 one hundred and twenty-one 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 one hundred and twenty-one has the following 3 prime factors:

7
78
Seven in Base 8 Octal
79
1178
Seventy-Nine in Base 8 Octal
257
4018
Two Hundred and Fifty-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

781 · 11781 · 40181 = 4254518

Base Conversions

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