Number 21109

Interestingness: 6

Visual representations

Binary image (n×n bits)
1119101
Prime factorization

Representations of 21109

β
Μ
͵αρθʹ
२११०९
٢١١٠٩
XXMCIX
●●
●●
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
●●●●
▃▃▃▃▃
二万一千一百零九
כא׳ קט
𓂭𓂭
𓆼
𓈖
𓏹𓏹𓏹𓏹𓏹𓏹𓏹𓏹𓏹
..---.----.-------------.

21109 in different numeral systems

Binary
101001001110101
Base-3
1001221211
Base-4
Base-5
Base-6
Base-7
Base-8
Duodecimal
Hex
Vigesimal
2cf9
Base-24
1cfd
Base-36
gad
Negabinary
101011110110101

Factorization

Prime factors: 11, 19, 101
Divisors: 1, 11, 19, 101, 209, 1111, 1919, 21109
Sum of divisors other than 21109: 3371
Product of prime factors: 21109 = 11 × 19 × 101

Number-theory characteristics (5)

Difference of 2 squares Evil number Odd Composite Deficient

Base-10 digit properties (1)

These depend on the decimal representation of the number.

Duck number

Related primes

Prime number before 21109
Prime number after 21109