Number 21970

Interestingness: 8

Visual representations

Binary image (n×n bits)
2513³
Prime factorization

Representations of 21970

Greek numeral
β
Μ
͵αϡο
Sanskrit numeral
२१९७०
Arabic numeral
٢١٩٧٠
Roman numeral
XXMCMLXX
Maya numeral
●●
●●●●
▃▃▃▃▃
▃▃▃▃▃
●●●
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
Chinese numeral
二万一千九百七十
Hebrew numeral
כא׳ תתקע
Egyptian numeral
𓂭𓂭
𓆼
𓈖𓈖𓈖𓈖𓈖𓈖𓈖𓈖𓈖
𓎆𓎆𓎆𓎆𓎆𓎆𓎆
Morse code
..---.--------.--...-----

21970 in different numeral systems

Binary
101010111010010
Base-3
1010010201
Base-4
11113102
Base-5
1200340
Base-6
245414
Base-7
121024
Base-8
52722
Duodecimal
1086a
Hex
55d2
Vigesimal
2eia
Base-24
1e3a
Base-36
gya
Negabinary
11010101011010110

Factorization

Prime factors: 2, 5, 13
Divisors: 1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 2197, 4394, 10985, 21970
Sum of divisors other than 21970: 20870
Product of prime factors: 21970 = 2 × 5 × 13 × 13 × 13

Number-theory characteristics (4)

Evil number Even Composite Deficient

Base-10 digit properties (2)

These depend on the decimal representation of the number.

Smith Duck number

Related primes

Prime number before 21970
Prime number after 21970