Number 661990

Interestingness: 5

Visual representations

Binary image (n×n bits)
257³193
Prime factorization

Representations of 661990

Greek numeral
ξϛ
Μ
͵αϡϟ
Sanskrit numeral
६६१९९०
Arabic numeral
٦٦١٩٩٠
Roman numeral
DCLXMCMXC
Maya numeral
●●●●
●●
●●●●
▃▃▃▃▃
▃▃▃▃▃
●●●●
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
Chinese numeral
六十六万一千九百九十
Hebrew numeral
תרסא׳ תתקצ
Morse code
-....-.....--------.----.-----

661990 in different numeral systems

Binary
10100001100111100110
Base-3
1020122002011
Base-4
2201213212
Base-5
132140430
Base-6
22104434
Base-7
5425000
Base-8
2414746
Duodecimal
27b11a
Hex
a19e6
Vigesimal
42eja
Base-24
1nl6m
Base-36
e6sm
Negabinary
111100110111000111010

Factorization

Prime factors: 2, 5, 7, 193
Divisors: 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 193, 245, 343, 386, 490, 686, 965, 1351, 1715, 1930, 2702, 3430, 6755, 9457, 13510, 18914, 47285, 66199, 94570, 132398, 330995, 661990
Sum of divisors other than 661990: 734810
Product of prime factors: 661990 = 2 × 5 × 7 × 7 × 7 × 193

Number-theory characteristics (4)

Evil number Even Composite Abundant

Base-10 digit properties (1)

These depend on the decimal representation of the number.

Duck number

Related primes

Prime number before 661990
Prime number after 661990