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Number 642
Representations of 642
Greek numeral
χμβʹ
Arabic numeral
٦٤٢
Roman numeral
DCXLII
Maya numeral
●
●●
▃▃▃▃▃
▃▃▃▃▃
●●
Chinese numeral
六百四十二
Hebrew numeral
תרמב
642 in different numeral systems
Binary
1010000010
Base-3
212210
Base-4
22002
Base-5
10032
Base-6
2550
Base-7
1605
Base-8
1202
Hex
282
Base-24
12i
Base-36
hu
Factorization
Prime factors
2
,
3
,
107
Divisors
1
,
2
,
3
,
6
,
107
,
214
,
321
,
642
Sum of divisors other than 642
654
Product of prime factors
642 =
2
x
3
x
107
Characteristics
Even
Composite
Related primes
Number 642 prime
4783
Prime number before 642
641
Prime number after 642
643