Number 642001

Interestingness: 13

Visual representations

Binary image (n×n bits)
Decagonal · P10(401) = 642001
4011601
Prime factorization

Representations of 642001

ξδ
Μ
͵βαʹ
६४२००१
٦٤٢٠٠١
DCXLMMI
●●●●
▃▃▃▃▃

六十四万二千零一
תרמב׳ א
𓆐𓆐𓆐𓆐𓆐𓆐
𓂭𓂭𓂭𓂭
𓆼𓆼
𓏹
-........-..-------------.----

642001 in different numeral systems

Binary
10011100101111010001
Base-3
1012121122211
Base-4
2130233101
Base-5
Base-6
Base-7
Base-8
Duodecimal
26b641
Hex
9cbd1
Vigesimal
Base-24
1mae1
Base-36
drdd
Negabinary
111101101110011010001

Factorization

Prime factors: 401, 1601
Divisors: 1, 401, 1601, 642001
Sum of divisors other than 642001: 2003
Product of prime factors: 642001 = 401 × 1601

Number-theory characteristics (6)

Decagonal Difference of 2 squares Odious number Odd Composite Deficient

Base-10 digit properties (3)

These depend on the decimal representation of the number.

Smith Duck number Hoax number

Related primes

Prime number before 642001
Prime number after 642001