The Number

145397

One Hundred and Forty-Five Thousand Three Hundred and Ninety-Seven

In Base 21 Unovigesimal Is

feee21

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

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

Nearby Numbers

Positive, nonzero integers within three units

145394
feeb21
One Hundred and Forty-Five Thousand Three Hundred and Ninety-Four in Base 21 Unovigesimal
145395
feec21
One Hundred and Forty-Five Thousand Three Hundred and Ninety-Five in Base 21 Unovigesimal
145396
feed21
One Hundred and Forty-Five Thousand Three Hundred and Ninety-Six in Base 21 Unovigesimal
145398
feef21
One Hundred and Forty-Five Thousand Three Hundred and Ninety-Eight in Base 21 Unovigesimal
145399
feeg21
One Hundred and Forty-Five Thousand Three Hundred and Ninety-Nine in Base 21 Unovigesimal
145400
feeh21
One Hundred and Forty-Five Thousand Four Hundred in Base 21 Unovigesimal

Scientific Notation

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

1.45397e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000171i81bdf9a2721

The reciprocal of 145397 in Base 21 Unovigesimal.

Palindrome?

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

The number feee21 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 three hundred and ninety-seven is a composite number with 4 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 three hundred and ninety-seven is a composite number with 4 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 three hundred and ninety-seven has the following 2 prime factors:

7
721
Seven in Base 21 Unovigesimal
20771
252221
Twenty Thousand Seven Hundred and Seventy-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

7211 · 2522211 = feee21

Base Conversions

The number one hundred and forty-five thousand three hundred and ninety-seven in 35 different bases