The Number

142021

One Hundred and Forty-Two Thousand and Twenty-One

In Base 7 Septenary Is

11310257

The numbers with a 7 subscript use Base 7 Septenary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

142018
11310227
One Hundred and Forty-Two Thousand and Eightteen in Base 7 Septenary
142019
11310237
One Hundred and Forty-Two Thousand and Nineteen in Base 7 Septenary
142020
11310247
One Hundred and Forty-Two Thousand and Twenty in Base 7 Septenary
142022
11310267
One Hundred and Forty-Two Thousand and Twenty-Two in Base 7 Septenary
142023
11310307
One Hundred and Forty-Two Thousand and Twenty-Three in Base 7 Septenary
142024
11310317
One Hundred and Forty-Two Thousand and Twenty-Four in Base 7 Septenary

Scientific Notation

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

1.42021e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000055406530404455566127

The reciprocal of 142021 in Base 7 Septenary.

Palindrome?

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

The number 11310257 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 and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

One hundred and forty-two thousand and twenty-one is a composite number with 4 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 and twenty-one has the following 2 prime factors:

11
147
Eleven in Base 7 Septenary
12911
524337
Twelve Thousand Nine Hundred and Eleven in Base 7 Septenary

Prime Factorization

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

1471 · 5243371 = 11310257

Base Conversions

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