The Number

81437

Eighty-One Thousand Four Hundred and Thirty-Seven

In Base 21 Unovigesimal Is

8gdk21

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

For more familiar numbers: See Eighty-One Thousand Four Hundred and Thirty-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81434
8gdh21
Eighty-One Thousand Four Hundred and Thirty-Four in Base 21 Unovigesimal
81435
8gdi21
Eighty-One Thousand Four Hundred and Thirty-Five in Base 21 Unovigesimal
81436
8gdj21
Eighty-One Thousand Four Hundred and Thirty-Six in Base 21 Unovigesimal
81438
8ge021
Eighty-One Thousand Four Hundred and Thirty-Eight in Base 21 Unovigesimal
81439
8ge121
Eighty-One Thousand Four Hundred and Thirty-Nine in Base 21 Unovigesimal
81440
8ge221
Eighty-One Thousand Four Hundred and Forty in Base 21 Unovigesimal

Scientific Notation

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

8.1437e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000283373gkd9jaj21

The reciprocal of 81437 in Base 21 Unovigesimal.

Palindrome?

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

The number 8gdk21 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand four hundred and thirty-seven 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.

Eighty-one thousand four hundred and thirty-seven 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 eighty-one thousand four hundred and thirty-seven has the following 3 prime factors:

31
1a21
Thirty-One in Base 21 Unovigesimal
37
1g21
Thirty-Seven in Base 21 Unovigesimal
71
3821
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

1a211 · 1g211 · 38211 = 8gdk21

Base Conversions

The number eighty-one thousand four hundred and thirty-seven in 35 different bases