555,020
555,020 is a composite number, even.
555,020 (five hundred fifty-five thousand twenty) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 5 × 27,751. Its proper divisors sum to 610,564, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x8780C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 20,555
- Square (n²)
- 308,047,200,400
- Cube (n³)
- 170,972,357,166,008,000
- Divisor count
- 12
- σ(n) — sum of divisors
- 1,165,584
- φ(n) — Euler's totient
- 222,000
- Sum of prime factors
- 27,760
Primality
Prime factorization: 2 2 × 5 × 27751
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√555,020 = [744; (1, 296, 1, 1488)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- five hundred fifty-five thousand twenty
- Ordinal
- 555020th
- Binary
- 10000111100000001100
- Octal
- 2074014
- Hexadecimal
- 0x8780C
- Base64
- CHgM
- One's complement
- 4,294,412,275 (32-bit)
- Scientific notation
- 5.5502 × 10⁵
- As a duration
- 555,020 s = 6 days, 10 hours, 10 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓎆𓎆
- Greek (Milesian)
- ͵φνεκʹ
- Chinese
- 五十五萬五千零二十
- Chinese (financial)
- 伍拾伍萬伍仟零貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 555020, here are decompositions:
- 43 + 554977 = 555020
- 61 + 554959 = 555020
- 97 + 554923 = 555020
- 127 + 554893 = 555020
- 181 + 554839 = 555020
- 199 + 554821 = 555020
- 223 + 554797 = 555020
- 229 + 554791 = 555020
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.120.12.
- Address
- 0.8.120.12
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.120.12
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 555,020 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 555020 first appears in π at position 142,434 of the decimal expansion (the 142,434ordinal-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°.