143,020
143,020 is a composite number, even.
143,020 (one hundred forty-three thousand twenty) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 5 × 7,151. Its proper divisors sum to 157,364, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22EAC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 10
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 20,341
- Recamán's sequence
- a(222,376) = 143,020
- Square (n²)
- 20,454,720,400
- Cube (n³)
- 2,925,434,111,608,000
- Divisor count
- 12
- σ(n) — sum of divisors
- 300,384
- φ(n) — Euler's totient
- 57,200
- Sum of prime factors
- 7,160
Primality
Prime factorization: 2 2 × 5 × 7151
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√143,020 = [378; (5, 1, 1, 3, 1, 1, 1, 10, 3, 9, 68, 1, 1, 1, 7, 3, 2, 1, 2, 3, 1, 2, 1, 5, …)]
Representations
- In words
- one hundred forty-three thousand twenty
- Ordinal
- 143020th
- Binary
- 100010111010101100
- Octal
- 427254
- Hexadecimal
- 0x22EAC
- Base64
- Ai6s
- One's complement
- 4,294,824,275 (32-bit)
- Scientific notation
- 1.4302 × 10⁵
- As a duration
- 143,020 s = 1 day, 15 hours, 43 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓎆𓎆
- Greek (Milesian)
- ͵ρμγκʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋫·𝋠
- Chinese
- 一十四萬三千零二十
- Chinese (financial)
- 壹拾肆萬參仟零貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 143020, here are decompositions:
- 41 + 142979 = 143020
- 47 + 142973 = 143020
- 71 + 142949 = 143020
- 113 + 142907 = 143020
- 149 + 142871 = 143020
- 179 + 142841 = 143020
- 233 + 142787 = 143020
- 263 + 142757 = 143020
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 BA AC (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.172.
- Address
- 0.2.46.172
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.46.172
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 143,020 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.