The Number

121542

One Hundred and Twenty-One Thousand Five Hundred and Forty-Two

In Base 21 Unovigesimal Is

d2cf21

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

For more familiar numbers: See One Hundred and Twenty-One Thousand Five Hundred and Forty-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

121539
d2cc21
One Hundred and Twenty-One Thousand Five Hundred and Thirty-Nine in Base 21 Unovigesimal
121540
d2cd21
One Hundred and Twenty-One Thousand Five Hundred and Forty in Base 21 Unovigesimal
121541
d2ce21
One Hundred and Twenty-One Thousand Five Hundred and Forty-One in Base 21 Unovigesimal
121543
d2cg21
One Hundred and Twenty-One Thousand Five Hundred and Forty-Three in Base 21 Unovigesimal
121544
d2ch21
One Hundred and Twenty-One Thousand Five Hundred and Forty-Four in Base 21 Unovigesimal
121545
d2ci21
One Hundred and Twenty-One Thousand Five Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

1.21542e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ccdde6bkgj5k21

The reciprocal of 121542 in Base 21 Unovigesimal.

Palindrome?

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

The number d2cf21 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 five hundred and forty-two is a composite number with 16 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 twenty-one thousand five hundred and forty-two 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 five hundred and forty-two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
47
2521
Forty-Seven in Base 21 Unovigesimal
431
kb21
Four Hundred and Thirty-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

2211 · 3211 · 25211 · kb211 = d2cf21

Base Conversions

The number one hundred and twenty-one thousand five hundred and forty-two in 35 different bases