555,980
555,980 is a composite number, even.
555,980 (five hundred fifty-five thousand nine hundred eighty) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 5 × 27,799. Its proper divisors sum to 611,620, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x87BCC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 32
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 89,555
- Square (n²)
- 309,113,760,400
- Cube (n³)
- 171,861,068,507,192,000
- Divisor count
- 12
- σ(n) — sum of divisors
- 1,167,600
- φ(n) — Euler's totient
- 222,384
- Sum of prime factors
- 27,808
Primality
Prime factorization: 2 2 × 5 × 27799
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√555,980 = [745; (1, 1, 1, 3, 1, 1, 1, 1, 5, 1, 1, 1, 2, 2, 1, 1, 2, 1, 4, 3, 1, 3, 14, 13, …)]
Representations
- In words
- five hundred fifty-five thousand nine hundred eighty
- Ordinal
- 555980th
- Binary
- 10000111101111001100
- Octal
- 2075714
- Hexadecimal
- 0x87BCC
- Base64
- CHvM
- One's complement
- 4,294,411,315 (32-bit)
- Scientific notation
- 5.5598 × 10⁵
- As a duration
- 555,980 s = 6 days, 10 hours, 26 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵φνεϡπʹ
- Chinese
- 五十五萬五千九百八十
- Chinese (financial)
- 伍拾伍萬伍仟玖佰捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 555980, here are decompositions:
- 13 + 555967 = 555980
- 109 + 555871 = 555980
- 127 + 555853 = 555980
- 151 + 555829 = 555980
- 157 + 555823 = 555980
- 241 + 555739 = 555980
- 283 + 555697 = 555980
- 457 + 555523 = 555980
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.8.123.204.
- Address
- 0.8.123.204
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.8.123.204
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 555,980 and was likely granted around 1895.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.