The Number

121690

One Hundred and Twenty-One Thousand Six Hundred and Ninety

In Base 5 Quinary Is

123432305

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

121687
123432225
One Hundred and Twenty-One Thousand Six Hundred and Eighty-Seven in Base 5 Quinary
121688
123432235
One Hundred and Twenty-One Thousand Six Hundred and Eighty-Eight in Base 5 Quinary
121689
123432245
One Hundred and Twenty-One Thousand Six Hundred and Eighty-Nine in Base 5 Quinary
121691
123432315
One Hundred and Twenty-One Thousand Six Hundred and Ninety-One in Base 5 Quinary
121692
123432325
One Hundred and Twenty-One Thousand Six Hundred and Ninety-Two in Base 5 Quinary
121693
123432335
One Hundred and Twenty-One Thousand Six Hundred and Ninety-Three in Base 5 Quinary

Scientific Notation

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

1.21690e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000310111111241141414231445

The reciprocal of 121690 in Base 5 Quinary.

Palindrome?

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

The number 123432305 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 six hundred and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 5 Quinary

A Composite

Composites have more than just these two factors.

One hundred and twenty-one thousand six hundred and ninety 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 twenty-one thousand six hundred and ninety has the following 4 prime factors:

2
25
Two in Base 5 Quinary
5
105
Five in Base 5 Quinary
43
1335
Forty-Three in Base 5 Quinary
283
21135
Two Hundred and Eighty-Three in Base 5 Quinary

Prime Factorization

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

251 · 1051 · 13351 · 211351 = 123432305

Base Conversions

The number one hundred and twenty-one thousand six hundred and ninety in 35 different bases