The Number

3142

Three Thousand One Hundred and Forty-Two

In Base 21 Unovigesimal Is

72d21

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

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

Nearby Numbers

Positive, nonzero integers within three units

3139
72a21
Three Thousand One Hundred and Thirty-Nine in Base 21 Unovigesimal
3140
72b21
Three Thousand One Hundred and Forty in Base 21 Unovigesimal
3141
72c21
Three Thousand One Hundred and Forty-One in Base 21 Unovigesimal
3143
72e21
Three Thousand One Hundred and Forty-Three in Base 21 Unovigesimal
3144
72f21
Three Thousand One Hundred and Forty-Four in Base 21 Unovigesimal
3145
72g21
Three Thousand One 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.

3.142e3

Reciprocal

A number multiplied with its reciprocal is one.

0.002jihdk4654ii721

The reciprocal of 3142 in Base 21 Unovigesimal.

Palindrome?

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

The number 72d21 is not a palindrome.

Not A Prime Number

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

Three thousand one hundred and forty-two is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Three thousand one hundred and forty-two 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 three thousand one hundred and forty-two has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
1571
3bh21
One Thousand Five Hundred and Seventy-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 · 3bh211 = 72d21

Base Conversions

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