142,148
142,148 is a composite number, even.
142,148 (one hundred forty-two thousand one hundred forty-eight) is an even 6-digit number. It is a composite number with 6 divisors, and factors as 2² × 35,537. Written other ways, in hexadecimal, 0x22B44.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 256
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 841,241
- Recamán's sequence
- a(39,608) = 142,148
- Square (n²)
- 20,206,053,904
- Cube (n³)
- 2,872,250,150,345,792
- Divisor count
- 6
- σ(n) — sum of divisors
- 248,766
- φ(n) — Euler's totient
- 71,072
- Sum of prime factors
- 35,541
Primality
Prime factorization: 2 2 × 35537
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,148 = [377; (39, 1, 2, 5, 1, 1, 4, 18, 5, 1, 5, 9, 1, 3, 188, 3, 1, 9, 5, 1, 5, 18, 4, 1, …)]
Period length 30 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand one hundred forty-eight
- Ordinal
- 142148th
- Binary
- 100010101101000100
- Octal
- 425504
- Hexadecimal
- 0x22B44
- Base64
- AitE
- One's complement
- 4,294,825,147 (32-bit)
- Scientific notation
- 1.42148 × 10⁵
- As a duration
- 142,148 s = 1 day, 15 hours, 29 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβρμηʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋧·𝋨
- Chinese
- 一十四萬二千一百四十八
- Chinese (financial)
- 壹拾肆萬貳仟壹佰肆拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142148, here are decompositions:
- 37 + 142111 = 142148
- 109 + 142039 = 142148
- 157 + 141991 = 142148
- 211 + 141937 = 142148
- 241 + 141907 = 142148
- 277 + 141871 = 142148
- 337 + 141811 = 142148
- 379 + 141769 = 142148
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 AD 84 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.68.
- Address
- 0.2.43.68
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.43.68
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 142,148 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 142148 first appears in π at position 749,322 of the decimal expansion (the 749,322ordinal-suffix:nd 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.