142,648
142,648 is a composite number, even.
142,648 (one hundred forty-two thousand six hundred forty-eight) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 11 × 1,621. Its proper divisors sum to 149,312, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22D38.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 1,536
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 846,241
- Recamán's sequence
- a(223,120) = 142,648
- Square (n²)
- 20,348,451,904
- Cube (n³)
- 2,902,665,967,201,792
- Divisor count
- 16
- σ(n) — sum of divisors
- 291,960
- φ(n) — Euler's totient
- 64,800
- Sum of prime factors
- 1,638
Primality
Prime factorization: 2 3 × 11 × 1621
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,648 = [377; (1, 2, 4, 1, 18, 1, 1, 3, 1, 22, 8, 1, 18, 2, 11, 1, 1, 83, 2, 2, 3, 1, 2, 2, …)]
Representations
- In words
- one hundred forty-two thousand six hundred forty-eight
- Ordinal
- 142648th
- Binary
- 100010110100111000
- Octal
- 426470
- Hexadecimal
- 0x22D38
- Base64
- Ai04
- One's complement
- 4,294,824,647 (32-bit)
- Scientific notation
- 1.42648 × 10⁵
- As a duration
- 142,648 s = 1 day, 15 hours, 37 minutes, 28 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβχμηʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋬·𝋨
- Chinese
- 一十四萬二千六百四十八
- Chinese (financial)
- 壹拾肆萬貳仟陸佰肆拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142648, here are decompositions:
- 29 + 142619 = 142648
- 41 + 142607 = 142648
- 47 + 142601 = 142648
- 59 + 142589 = 142648
- 89 + 142559 = 142648
- 101 + 142547 = 142648
- 179 + 142469 = 142648
- 227 + 142421 = 142648
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B4 B8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.45.56.
- Address
- 0.2.45.56
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.45.56
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 142,648 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 142648 first appears in π at position 538,836 of the decimal expansion (the 538,836ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.