143,148
143,148 is a composite number, even.
143,148 (one hundred forty-three thousand one hundred forty-eight) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 3 × 79 × 151. Its proper divisors sum to 197,332, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22F2C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 384
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 841,341
- Recamán's sequence
- a(222,120) = 143,148
- Square (n²)
- 20,491,349,904
- Cube (n³)
- 2,933,295,756,057,792
- Divisor count
- 24
- σ(n) — sum of divisors
- 340,480
- φ(n) — Euler's totient
- 46,800
- Sum of prime factors
- 237
Primality
Prime factorization: 2 2 × 3 × 79 × 151
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√143,148 = [378; (2, 1, 6, 2, 2, 7, 2, 1, 1, 8, 252, 8, 1, 1, 2, 7, 2, 2, 6, 1, 2, 756)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-three thousand one hundred forty-eight
- Ordinal
- 143148th
- Binary
- 100010111100101100
- Octal
- 427454
- Hexadecimal
- 0x22F2C
- Base64
- Ai8s
- One's complement
- 4,294,824,147 (32-bit)
- Scientific notation
- 1.43148 × 10⁵
- As a duration
- 143,148 s = 1 day, 15 hours, 45 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμγρμηʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋱·𝋨
- Chinese
- 一十四萬三千一百四十八
- Chinese (financial)
- 壹拾肆萬參仟壹佰肆拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 143148, here are decompositions:
- 7 + 143141 = 143148
- 11 + 143137 = 143148
- 37 + 143111 = 143148
- 41 + 143107 = 143148
- 167 + 142981 = 143148
- 179 + 142969 = 143148
- 199 + 142949 = 143148
- 241 + 142907 = 143148
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 BC AC (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.47.44.
- Address
- 0.2.47.44
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.47.44
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 143,148 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 143148 first appears in π at position 235,270 of the decimal expansion (the 235,270ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.