143,120
143,120 is a composite number, even.
143,120 (one hundred forty-three thousand one hundred twenty) is an even 6-digit number. It is a composite number with 20 divisors, and factors as 2⁴ × 5 × 1,789. Its proper divisors sum to 189,820, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22F10.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 21,341
- Recamán's sequence
- a(222,176) = 143,120
- Square (n²)
- 20,483,334,400
- Cube (n³)
- 2,931,574,819,328,000
- Divisor count
- 20
- σ(n) — sum of divisors
- 332,940
- φ(n) — Euler's totient
- 57,216
- Sum of prime factors
- 1,802
Primality
Prime factorization: 2 4 × 5 × 1789
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√143,120 = [378; (3, 4, 1, 7, 1, 2, 4, 1, 1, 1, 46, 1, 1, 1, 4, 2, 1, 7, 1, 4, 3, 756)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-three thousand one hundred twenty
- Ordinal
- 143120th
- Binary
- 100010111100010000
- Octal
- 427420
- Hexadecimal
- 0x22F10
- Base64
- Ai8Q
- One's complement
- 4,294,824,175 (32-bit)
- Scientific notation
- 1.4312 × 10⁵
- As a duration
- 143,120 s = 1 day, 15 hours, 45 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρμγρκʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋰·𝋠
- Chinese
- 一十四萬三千一百二十
- Chinese (financial)
- 壹拾肆萬參仟壹佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 143120, here are decompositions:
- 7 + 143113 = 143120
- 13 + 143107 = 143120
- 67 + 143053 = 143120
- 127 + 142993 = 143120
- 139 + 142981 = 143120
- 151 + 142969 = 143120
- 157 + 142963 = 143120
- 181 + 142939 = 143120
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 BC 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.47.16.
- Address
- 0.2.47.16
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.47.16
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 143,120 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 143120 first appears in π at position 789,417 of the decimal expansion (the 789,417ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.