The Number

142290

One Hundred and Forty-Two Thousand Two Hundred and Ninety

In Base 21 Unovigesimal Is

f7df21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

142287
f7dc21
One Hundred and Forty-Two Thousand Two Hundred and Eighty-Seven in Base 21 Unovigesimal
142288
f7dd21
One Hundred and Forty-Two Thousand Two Hundred and Eighty-Eight in Base 21 Unovigesimal
142289
f7de21
One Hundred and Forty-Two Thousand Two Hundred and Eighty-Nine in Base 21 Unovigesimal
142291
f7dg21
One Hundred and Forty-Two Thousand Two Hundred and Ninety-One in Base 21 Unovigesimal
142292
f7dh21
One Hundred and Forty-Two Thousand Two Hundred and Ninety-Two in Base 21 Unovigesimal
142293
f7di21
One Hundred and Forty-Two Thousand Two Hundred and Ninety-Three in Base 21 Unovigesimal

Scientific Notation

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

1.42290e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00017efi67682k3f21

The reciprocal of 142290 in Base 21 Unovigesimal.

Palindrome?

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

The number f7df21 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 two hundred and ninety is a composite number with 64 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 two hundred and ninety is a composite number with 64 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 two hundred and ninety has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
31
1a21
Thirty-One in Base 21 Unovigesimal

Prime Factorization

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

2211 · 3213 · 5211 · h211 · 1a211 = f7df21

Base Conversions

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