Number 128991

Representations of 128991
Greek numeral
ιβ
Μ
͵ηϡϟαʹ
Arabic numeral
١٢٨٩٩١
Roman numeral
CXXVMMMCMXCI
Maya numeral
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Chinese numeral
一十二万八千九百九十一
Hebrew numeral
קכח׳ תתקצא
128991 in different numeral systems
Binary
11111011111011111
Base-3
20112221110
Base-4
133133133
Base-5
13111431
Base-6
2433103
Base-7
1045032
Base-8
373737
Duodecimal
62793
Hex
1f7df
Vigesimal
g29b
Base-24
97mf
Base-36
2rj3
Negabinary
1100000100000100011
Factorization
Prime factors
3, 19, 31, 73
Divisors
1, 3, 19, 31, 57, 73, 93, 219, 589, 1387, 1767, 2263, 4161, 6789, 42997, 128991
Sum of divisors other than 128991
60449
Product of prime factors
128991 = 3 x 19 x 31 x 73
Characteristics
Difference of 2 squares Odd Composite Deficient
Related primes
Prime number before 128991
128987
Prime number after 128991
128993