The Number

242145

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

In Base 21 Unovigesimal Is

1531f21

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

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

Nearby Numbers

Positive, nonzero integers within three units

242142
1531c21
Two Hundred and Forty-Two Thousand One Hundred and Forty-Two in Base 21 Unovigesimal
242143
1531d21
Two Hundred and Forty-Two Thousand One Hundred and Forty-Three in Base 21 Unovigesimal
242144
1531e21
Two Hundred and Forty-Two Thousand One Hundred and Forty-Four in Base 21 Unovigesimal
242146
1531g21
Two Hundred and Forty-Two Thousand One Hundred and Forty-Six in Base 21 Unovigesimal
242147
1531h21
Two Hundred and Forty-Two Thousand One Hundred and Forty-Seven in Base 21 Unovigesimal
242148
1531i21
Two Hundred and Forty-Two Thousand One Hundred and Forty-Eight in Base 21 Unovigesimal

Scientific Notation

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

2.42145e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000gi414bd2e60a21

The reciprocal of 242145 in Base 21 Unovigesimal.

Palindrome?

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

The number 1531f21 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 forty-two thousand one hundred and forty-five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and forty-two thousand one hundred and forty-five is a composite number with 12 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 forty-two thousand one hundred and forty-five has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
5381
c4521
Five Thousand Three Hundred and Eighty-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

3212 · 5211 · c45211 = 1531f21

Base Conversions

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