The Number

221397

Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Seven

In Base 19 Nonadecimal Is

1d55919

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

221394
1d55619
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Four in Base 19 Nonadecimal
221395
1d55719
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Five in Base 19 Nonadecimal
221396
1d55819
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Six in Base 19 Nonadecimal
221398
1d55a19
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Eight in Base 19 Nonadecimal
221399
1d55b19
Two Hundred and Twenty-One Thousand Three Hundred and Ninety-Nine in Base 19 Nonadecimal
221400
1d55c19
Two Hundred and Twenty-One Thousand Four Hundred in Base 19 Nonadecimal

Scientific Notation

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

2.21397e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b397h1e81ha2419

The reciprocal of 221397 in Base 19 Nonadecimal.

Palindrome?

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

The number 1d55919 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Two hundred and twenty-one thousand three hundred and ninety-seven is a composite number with 8 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Two hundred and twenty-one thousand three hundred and ninety-seven 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 two hundred and twenty-one thousand three hundred and ninety-seven has the following 3 prime factors:

3
319
Three in Base 19 Nonadecimal
11
b19
Eleven in Base 19 Nonadecimal
6709
ib219
Six Thousand Seven Hundred and Nine in Base 19 Nonadecimal

Prime Factorization

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

3191 · b191 · ib2191 = 1d55919

Base Conversions

The number two hundred and twenty-one thousand three hundred and ninety-seven in 35 different bases