The Number

139442

One Hundred and Thirty-Nine Thousand Four Hundred and Forty-Two

In Base 21 Unovigesimal Is

f14221

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

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

Nearby Numbers

Positive, nonzero integers within three units

139439
f13k21
One Hundred and Thirty-Nine Thousand Four Hundred and Thirty-Nine in Base 21 Unovigesimal
139440
f14021
One Hundred and Thirty-Nine Thousand Four Hundred and Forty in Base 21 Unovigesimal
139441
f14121
One Hundred and Thirty-Nine Thousand Four Hundred and Forty-One in Base 21 Unovigesimal
139443
f14321
One Hundred and Thirty-Nine Thousand Four Hundred and Forty-Three in Base 21 Unovigesimal
139444
f14421
One Hundred and Thirty-Nine Thousand Four Hundred and Forty-Four in Base 21 Unovigesimal
139445
f14521
One Hundred and Thirty-Nine Thousand Four Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

1.39442e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00018618815114bh21

The reciprocal of 139442 in Base 21 Unovigesimal.

Palindrome?

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

The number f14221 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 thirty-nine thousand four hundred and forty-two 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 thirty-nine thousand four hundred and forty-two 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 thirty-nine thousand four hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
113
5821
One Hundred and Thirteen in Base 21 Unovigesimal
617
18821
Six Hundred and Seventeen 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 · 58211 · 188211 = f14221

Base Conversions

The number one hundred and thirty-nine thousand four hundred and forty-two in 35 different bases