Number 1001

Interestingness: 11 · Rank #204 of 1000

Visual representations

Binary image (n×n bits)
Pentagonal · P5(26) = 1001
71113
Prime factorization

Representations of 1001

Greek numeral
͵ααʹ
Sanskrit numeral
१००१
Arabic numeral
١٠٠١
Roman numeral
MI
Maya numeral
●●
▃▃▃▃▃
▃▃▃▃▃
●
Chinese numeral
一千零一
Hebrew numeral
א׳ א
Egyptian numeral
𓆼
𓏹
Morse code
.--------------.----

1001 in different numeral systems

Binary
1111101001
Base-3
1101002
Base-4
33221
Base-5
13001
Base-6
4345
Base-7
2630
Base-8
1751
Duodecimal
6b5
Hex
3e9
Vigesimal
2a1
Base-24
1hh
Base-36
rt
Negabinary
10000111001

Factorization

Prime factors: 7, 11, 13
Divisors: 1, 7, 11, 13, 77, 91, 143, 1001
Sum of divisors other than 1001: 343
Product of prime factors: 1001 = 7 × 11 × 13

Number-theory characteristics (6)

Pentagonal Difference of 2 squares Odious number Odd Composite Deficient

Base-10 digit properties (3)

These depend on the decimal representation of the number.

Palindromic Duck number Strobogrammatic

Related primes

Number 1001 prime
Prime number before 1001
Prime number after 1001