The Number

145128

One Hundred and Forty-Five Thousand One Hundred and Twenty-Eight

In Base 21 Unovigesimal Is

fe1i21

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

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

Nearby Numbers

Positive, nonzero integers within three units

145125
fe1f21
One Hundred and Forty-Five Thousand One Hundred and Twenty-Five in Base 21 Unovigesimal
145126
fe1g21
One Hundred and Forty-Five Thousand One Hundred and Twenty-Six in Base 21 Unovigesimal
145127
fe1h21
One Hundred and Forty-Five Thousand One Hundred and Twenty-Seven in Base 21 Unovigesimal
145129
fe1j21
One Hundred and Forty-Five Thousand One Hundred and Twenty-Nine in Base 21 Unovigesimal
145130
fe1k21
One Hundred and Forty-Five Thousand One Hundred and Thirty in Base 21 Unovigesimal
145131
fe2021
One Hundred and Forty-Five Thousand One Hundred and Thirty-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.

1.45128e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000172k752b0494h21

The reciprocal of 145128 in Base 21 Unovigesimal.

Palindrome?

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

The number fe1i21 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-five thousand one hundred and twenty-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-five thousand one hundred and twenty-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-five thousand one hundred and twenty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
6047
dek21
Six Thousand and Forty-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 · 3211 · dek211 = fe1i21

Base Conversions

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