529,142
529,142 is a composite number, even.
529,142 (five hundred twenty-nine thousand one hundred forty-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 17 × 79 × 197. Written other ways, in hexadecimal, 0x812F6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 720
- Digital root
- 5
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 241,925
- Square (n²)
- 279,991,256,164
- Cube (n³)
- 148,155,133,269,131,288
- Divisor count
- 16
- σ(n) — sum of divisors
- 855,360
- φ(n) — Euler's totient
- 244,608
- Sum of prime factors
- 295
Primality
Prime factorization: 2 × 17 × 79 × 197
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√529,142 = [727; (2, 2, 1, 2, 6, 4, 1, 1, 1, 16, 1, 7, 1, 1, 1, 75, 1, 11, 27, 2, 1, 2, 1, 2, …)]
Representations
- In words
- five hundred twenty-nine thousand one hundred forty-two
- Ordinal
- 529142nd
- Binary
- 10000001001011110110
- Octal
- 2011366
- Hexadecimal
- 0x812F6
- Base64
- CBL2
- One's complement
- 4,294,438,153 (32-bit)
- Scientific notation
- 5.29142 × 10⁵
- As a duration
- 529,142 s = 6 days, 2 hours, 59 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵φκθρμβʹ
- Chinese
- 五十二萬九千一百四十二
- Chinese (financial)
- 伍拾貳萬玖仟壹佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 529142, here are decompositions:
- 13 + 529129 = 529142
- 109 + 529033 = 529142
- 139 + 529003 = 529142
- 151 + 528991 = 529142
- 331 + 528811 = 529142
- 379 + 528763 = 529142
- 433 + 528709 = 529142
- 463 + 528679 = 529142
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.18.246.
- Address
- 0.8.18.246
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.18.246
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 529,142 and was likely granted around 1894.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 529142 first appears in π at position 46,631 of the decimal expansion (the 46,631ordinal-suffix:st 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°.