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100559 is a prime number
BaseRepresentation
bin11000100011001111
312002221102
4120203033
511204214
62053315
7566114
oct304317
9162842
10100559
1169608
124a23b
1336a04
142890b
151ebde
hex188cf

100559 has 2 divisors, whose sum is σ = 100560. Its totient is φ = 100558.

The previous prime is 100549. The next prime is 100591. The reversal of 100559 is 955001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100559 - 216 = 35023 is a prime.

It is a super-2 number, since 2×1005592 = 20224224962, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is equal to p9641 and since 100559 and 9641 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 100559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50279 + 50280.

It is an arithmetic number, because the mean of its divisors is an integer number (50280).

2100559 is an apocalyptic number.

100559 is a deficient number, since it is larger than the sum of its proper divisors (1).

100559 is an equidigital number, since it uses as much as digits as its factorization.

100559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 100559 is about 317.1103908736. The cubic root of 100559 is about 46.5022159502.

It can be divided in two parts, 1005 and 59, that multiplied together give a palindrome (59295).

The spelling of 100559 in words is "one hundred thousand, five hundred fifty-nine".