142,928
142,928 is a composite number, even.
142,928 (one hundred forty-two thousand nine hundred twenty-eight) is an even 6-digit number. It is a composite number with 10 divisors, and factors as 2⁴ × 8,933. Written other ways, in hexadecimal, 0x22E50.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 1,152
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 829,241
- Recamán's sequence
- a(222,560) = 142,928
- Square (n²)
- 20,428,413,184
- Cube (n³)
- 2,919,792,239,562,752
- Divisor count
- 10
- σ(n) — sum of divisors
- 276,954
- φ(n) — Euler's totient
- 71,456
- Sum of prime factors
- 8,941
Primality
Prime factorization: 2 4 × 8933
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,928 = [378; (17, 5, 2, 5, 1, 3, 1, 5, 1, 2, 1, 1, 1, 2, 1, 1, 107, 2, 3, 2, 5, 1, 10, 1, …)]
Representations
- In words
- one hundred forty-two thousand nine hundred twenty-eight
- Ordinal
- 142928th
- Binary
- 100010111001010000
- Octal
- 427120
- Hexadecimal
- 0x22E50
- Base64
- Ai5Q
- One's complement
- 4,294,824,367 (32-bit)
- Scientific notation
- 1.42928 × 10⁵
- As a duration
- 142,928 s = 1 day, 15 hours, 42 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβϡκηʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋦·𝋨
- Chinese
- 一十四萬二千九百二十八
- Chinese (financial)
- 壹拾肆萬貳仟玖佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142928, here are decompositions:
- 31 + 142897 = 142928
- 61 + 142867 = 142928
- 139 + 142789 = 142928
- 157 + 142771 = 142928
- 229 + 142699 = 142928
- 271 + 142657 = 142928
- 337 + 142591 = 142928
- 547 + 142381 = 142928
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B9 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.80.
- Address
- 0.2.46.80
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.46.80
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 142,928 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 142928 first appears in π at position 529,284 of the decimal expansion (the 529,284ordinal-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.