The Number

121861

One Hundred and Twenty-One Thousand Eight Hundred and Sixty-One

In Base 18 Octodecimal Is

12g2118

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

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

Nearby Numbers

Positive, nonzero integers within three units

121858
12g1g18
One Hundred and Twenty-One Thousand Eight Hundred and Fifty-Eight in Base 18 Octodecimal
121859
12g1h18
One Hundred and Twenty-One Thousand Eight Hundred and Fifty-Nine in Base 18 Octodecimal
121860
12g2018
One Hundred and Twenty-One Thousand Eight Hundred and Sixty in Base 18 Octodecimal
121862
12g2218
One Hundred and Twenty-One Thousand Eight Hundred and Sixty-Two in Base 18 Octodecimal
121863
12g2318
One Hundred and Twenty-One Thousand Eight Hundred and Sixty-Three in Base 18 Octodecimal
121864
12g2418
One Hundred and Twenty-One Thousand Eight Hundred and Sixty-Four in Base 18 Octodecimal

Scientific Notation

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

1.21861e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000f91ga70ag15e318

The reciprocal of 121861 in Base 18 Octodecimal.

Palindrome?

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

The number 12g2118 is 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 eight hundred and sixty-one 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 eight hundred and sixty-one 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 eight hundred and sixty-one has the following 2 prime factors:

31
1d18
Thirty-One in Base 18 Octodecimal
3931
c2718
Three Thousand Nine Hundred and Thirty-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

1d181 · c27181 = 12g2118

Base Conversions

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