The Number

287142

Two Hundred and Eighty-Seven Thousand One Hundred and Forty-Two

In Base 13 Tridecimal Is

a090b13

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

287139
a090813
Two Hundred and Eighty-Seven Thousand One Hundred and Thirty-Nine in Base 13 Tridecimal
287140
a090913
Two Hundred and Eighty-Seven Thousand One Hundred and Forty in Base 13 Tridecimal
287141
a090a13
Two Hundred and Eighty-Seven Thousand One Hundred and Forty-One in Base 13 Tridecimal
287143
a090c13
Two Hundred and Eighty-Seven Thousand One Hundred and Forty-Three in Base 13 Tridecimal
287144
a091013
Two Hundred and Eighty-Seven Thousand One Hundred and Forty-Four in Base 13 Tridecimal
287145
a091113
Two Hundred and Eighty-Seven Thousand One Hundred and Forty-Five in Base 13 Tridecimal

Scientific Notation

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

2.87142e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000013a6b28310aa218513

The reciprocal of 287142 in Base 13 Tridecimal.

Palindrome?

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

The number a090b13 is not a palindrome.

Not A Prime Number

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

Two hundred and eighty-seven thousand one hundred and forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Two hundred and eighty-seven 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 two hundred and eighty-seven thousand one hundred and forty-two has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
3
313
Three in Base 13 Tridecimal
47857
18a2413
Forty-Seven Thousand Eight Hundred and Fifty-Seven in Base 13 Tridecimal

Prime Factorization

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

2131 · 3131 · 18a24131 = a090b13

Base Conversions

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