The Number

142121

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

In Base 21 Unovigesimal Is

f75e21

The numbers with a 21 subscript use Base 21 Unovigesimal 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
f75b21
One Hundred and Forty-Two Thousand One Hundred and Eightteen in Base 21 Unovigesimal
142119
f75c21
One Hundred and Forty-Two Thousand One Hundred and Nineteen in Base 21 Unovigesimal
142120
f75d21
One Hundred and Forty-Two Thousand One Hundred and Twenty in Base 21 Unovigesimal
142122
f75f21
One Hundred and Forty-Two Thousand One Hundred and Twenty-Two in Base 21 Unovigesimal
142123
f75g21
One Hundred and Forty-Two Thousand One Hundred and Twenty-Three in Base 21 Unovigesimal
142124
f75h21
One Hundred and Forty-Two Thousand One Hundred and Twenty-Four in Base 21 Unovigesimal

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.

0.00017f9j8453j1fh21

The reciprocal of 142121 in Base 21 Unovigesimal.

Palindrome?

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

The number f75e21 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 21 Unovigesimal

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
721
Seven in Base 21 Unovigesimal
79
3g21
Seventy-Nine in Base 21 Unovigesimal
257
c521
Two Hundred and Fifty-Seven in Base 21 Unovigesimal

Prime Factorization

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

7211 · 3g211 · c5211 = f75e21

Base Conversions

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