The Number

21142

Twenty-One Thousand One Hundred and Forty-Two

In Base 12 Duodecimal Is

1029a12

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21139
1029712
Twenty-One Thousand One Hundred and Thirty-Nine in Base 12 Duodecimal
21140
1029812
Twenty-One Thousand One Hundred and Forty in Base 12 Duodecimal
21141
1029912
Twenty-One Thousand One Hundred and Forty-One in Base 12 Duodecimal
21143
1029b12
Twenty-One Thousand One Hundred and Forty-Three in Base 12 Duodecimal
21144
102a012
Twenty-One Thousand One Hundred and Forty-Four in Base 12 Duodecimal
21145
102a112
Twenty-One Thousand One Hundred and Forty-Five in Base 12 Duodecimal

Scientific Notation

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

2.1142e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b92996866a966912

The reciprocal of 21142 in Base 12 Duodecimal.

Palindrome?

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

The number 1029a12 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand one hundred and forty-two is a composite number with 12 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand one hundred and forty-two 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 twenty-one thousand one hundred and forty-two has the following 3 prime factors:

2
212
Two in Base 12 Duodecimal
11
b12
Eleven in Base 12 Duodecimal
31
2712
Thirty-One in Base 12 Duodecimal

Prime Factorization

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

2121 · b121 · 27122 = 1029a12

Base Conversions

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