The Number

145142

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

In Base 21 Unovigesimal Is

fe2b21

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

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

Nearby Numbers

Positive, nonzero integers within three units

145139
fe2821
One Hundred and Forty-Five Thousand One Hundred and Thirty-Nine in Base 21 Unovigesimal
145140
fe2921
One Hundred and Forty-Five Thousand One Hundred and Forty in Base 21 Unovigesimal
145141
fe2a21
One Hundred and Forty-Five Thousand One Hundred and Forty-One in Base 21 Unovigesimal
145143
fe2c21
One Hundred and Forty-Five Thousand One Hundred and Forty-Three in Base 21 Unovigesimal
145144
fe2d21
One Hundred and Forty-Five Thousand One Hundred and Forty-Four in Base 21 Unovigesimal
145145
fe2e21
One Hundred and Forty-Five 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.

1.45142e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000172j324a100i21

The reciprocal of 145142 in Base 21 Unovigesimal.

Palindrome?

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

The number fe2b21 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 forty-five thousand one 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 hundred and forty-five thousand one 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 hundred and forty-five thousand one hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
31
1a21
Thirty-One in Base 21 Unovigesimal
2341
56a21
Two Thousand Three Hundred and Forty-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 · 1a211 · 56a211 = fe2b21

Base Conversions

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