The Number

121457

One Hundred and Twenty-One Thousand Four Hundred and Fifty-Seven

In Base 18 Octodecimal Is

12efb18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See One Hundred and Twenty-One Thousand Four Hundred and Fifty-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

121454
12ef818
One Hundred and Twenty-One Thousand Four Hundred and Fifty-Four in Base 18 Octodecimal
121455
12ef918
One Hundred and Twenty-One Thousand Four Hundred and Fifty-Five in Base 18 Octodecimal
121456
12efa18
One Hundred and Twenty-One Thousand Four Hundred and Fifty-Six in Base 18 Octodecimal
121458
12efc18
One Hundred and Twenty-One Thousand Four Hundred and Fifty-Eight in Base 18 Octodecimal
121459
12efd18
One Hundred and Twenty-One Thousand Four Hundred and Fifty-Nine in Base 18 Octodecimal
121460
12efe18
One Hundred and Twenty-One Thousand Four Hundred and Sixty in Base 18 Octodecimal

Scientific Notation

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

1.21457e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000fa0b6d73c9c6f18

The reciprocal of 121457 in Base 18 Octodecimal.

Palindrome?

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

The number 12efb18 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 twenty-one thousand four hundred and fifty-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-one thousand four hundred and fifty-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 twenty-one thousand four hundred and fifty-seven has the following 2 prime factors:

7
718
Seven in Base 18 Octodecimal
17351
2h9h18
Seventeen Thousand Three Hundred and Fifty-One in Base 18 Octodecimal

Prime Factorization

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

7181 · 2h9h181 = 12efb18

Base Conversions

The number one hundred and twenty-one thousand four hundred and fifty-seven in 35 different bases