555,442
555,442 is a composite number, even.
555,442 (five hundred fifty-five thousand four hundred forty-two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 167 × 1,663. Written other ways, in hexadecimal, 0x879B2.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 4,000
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 244,555
- Square (n²)
- 308,515,815,364
- Cube (n³)
- 171,362,641,517,410,888
- Divisor count
- 8
- σ(n) — sum of divisors
- 838,656
- φ(n) — Euler's totient
- 275,892
- Sum of prime factors
- 1,832
Primality
Prime factorization: 2 × 167 × 1663
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√555,442 = [745; (3, 1, 1, 2, 1, 7, 1, 5, 1, 1, 20, 2, 5, 82, 1, 1, 1, 2, 9, 17, 38, 6, 4, 1, …)]
Representations
- In words
- five hundred fifty-five thousand four hundred forty-two
- Ordinal
- 555442nd
- Binary
- 10000111100110110010
- Octal
- 2074662
- Hexadecimal
- 0x879B2
- Base64
- CHmy
- One's complement
- 4,294,411,853 (32-bit)
- Scientific notation
- 5.55442 × 10⁵
- As a duration
- 555,442 s = 6 days, 10 hours, 17 minutes, 22 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵φνευμβʹ
- Chinese
- 五十五萬五千四百四十二
- Chinese (financial)
- 伍拾伍萬伍仟肆佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 555442, here are decompositions:
- 3 + 555439 = 555442
- 23 + 555419 = 555442
- 59 + 555383 = 555442
- 149 + 555293 = 555442
- 191 + 555251 = 555442
- 233 + 555209 = 555442
- 359 + 555083 = 555442
- 389 + 555053 = 555442
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.121.178.
- Address
- 0.8.121.178
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.121.178
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 555,442 and was likely granted around 1895.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 555442 first appears in π at position 542,407 of the decimal expansion (the 542,407ordinal-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°.