The Number

142168

One Hundred and Forty-Two Thousand One Hundred and Sixty-Eight

In Base 21 Unovigesimal Is

f77j21

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 Sixty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

142165
f77g21
One Hundred and Forty-Two Thousand One Hundred and Sixty-Five in Base 21 Unovigesimal
142166
f77h21
One Hundred and Forty-Two Thousand One Hundred and Sixty-Six in Base 21 Unovigesimal
142167
f77i21
One Hundred and Forty-Two Thousand One Hundred and Sixty-Seven in Base 21 Unovigesimal
142169
f77k21
One Hundred and Forty-Two Thousand One Hundred and Sixty-Nine in Base 21 Unovigesimal
142170
f78021
One Hundred and Forty-Two Thousand One Hundred and Seventy in Base 21 Unovigesimal
142171
f78121
One Hundred and Forty-Two Thousand One Hundred and Seventy-One in Base 21 Unovigesimal

Scientific Notation

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

1.42168e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00017f5f8c7296ab21

The reciprocal of 142168 in Base 21 Unovigesimal.

Palindrome?

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

The number f77j21 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 sixty-eight is a composite number with 16 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 sixty-eight is a composite number with 16 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 sixty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
1367
32221
One Thousand Three Hundred and Sixty-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

2213 · d211 · 322211 = f77j21

Base Conversions

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