The Number

1542

One Thousand Five Hundred and Forty-Two

In Base 21 Unovigesimal Is

3a921

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

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

Nearby Numbers

Positive, nonzero integers within three units

1539
3a621
One Thousand Five Hundred and Thirty-Nine in Base 21 Unovigesimal
1540
3a721
One Thousand Five Hundred and Forty in Base 21 Unovigesimal
1541
3a821
One Thousand Five Hundred and Forty-One in Base 21 Unovigesimal
1543
3aa21
One Thousand Five Hundred and Forty-Three in Base 21 Unovigesimal
1544
3ab21
One Thousand Five Hundred and Forty-Four in Base 21 Unovigesimal
1545
3ac21
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.

1.542e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00602c1239ja57821

The reciprocal of 1542 in Base 21 Unovigesimal.

Palindrome?

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

The number 3a921 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One thousand five hundred and forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One thousand five hundred and forty-two is a composite number with 8 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 thousand five hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
257
c521
Two Hundred and Fifty-Seven 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 · c5211 = 3a921

Base Conversions

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