The Number

31421

Thirty-One Thousand Four Hundred and Twenty-One

In Base 18 Octodecimal Is

56hb18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

31418
56h818
Thirty-One Thousand Four Hundred and Eightteen in Base 18 Octodecimal
31419
56h918
Thirty-One Thousand Four Hundred and Nineteen in Base 18 Octodecimal
31420
56ha18
Thirty-One Thousand Four Hundred and Twenty in Base 18 Octodecimal
31422
56hc18
Thirty-One Thousand Four Hundred and Twenty-Two in Base 18 Octodecimal
31423
56hd18
Thirty-One Thousand Four Hundred and Twenty-Three in Base 18 Octodecimal
31424
56he18
Thirty-One Thousand Four Hundred and Twenty-Four in Base 18 Octodecimal

Scientific Notation

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

3.1421e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00036287aebd22b218

The reciprocal of 31421 in Base 18 Octodecimal.

Palindrome?

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

The number 56hb18 is not a palindrome.

Not A Prime Number

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

Thirty-one thousand four hundred and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Thirty-one thousand four hundred and twenty-one 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 thirty-one thousand four hundred and twenty-one has the following 2 prime factors:

13
d18
Thirteen in Base 18 Octodecimal
2417
78518
Two Thousand Four Hundred and Seventeen in Base 18 Octodecimal

Prime Factorization

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

d181 · 785181 = 56hb18

Base Conversions

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