Number 2991

Interestingness: 6

Visual representations

Binary image (n×n bits)
3997
Prime factorization

Representations of 2991

͵βϡϟαʹ
२९९१
٢٩٩١
MMCMXCI
●●
▃▃▃▃▃
●●●●
▃▃▃▃▃

▃▃▃▃▃
▃▃▃▃▃
二千九百九十一
ב׳ תתקצא
𓆼𓆼
𓈖𓈖𓈖𓈖𓈖𓈖𓈖𓈖𓈖
𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
𓏹
..-------.----..----

2991 in different numeral systems

Binary
101110101111
Base-3
Base-4
Base-5
Base-6
Base-7
Base-8
Duodecimal
Hex
baf
Vigesimal
79b
Base-24
54f
Base-36
2b3
Negabinary
1110011110011

Factorization

Prime factors: 3, 997
Divisors: 1, 3, 997, 2991
Sum of divisors other than 2991: 1001
Product of prime factors: 2991 = 3 × 997

Number-theory characteristics (5)

Difference of 2 squares Odious number Odd Composite Deficient

Base-10 digit properties (1)

These depend on the decimal representation of the number.

Happy number

Related primes

Number 2991 prime
Prime number before 2991
Prime number after 2991