980,980
980,980 is a composite number, even.
980,980 (nine hundred eighty thousand nine hundred eighty) is an even 6-digit number. It is a composite number with 96 divisors, and factors as 2² × 5 × 7³ × 11 × 13. Its proper divisors sum to 1,841,420, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xEF7F4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 34
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 89,089
- Flips to (rotate 180°)
- 86,086
- Recamán's sequence
- a(324,451) = 980,980
- Square (n²)
- 962,321,760,400
- Cube (n³)
- 944,018,400,517,192,000
- Divisor count
- 96
- σ(n) — sum of divisors
- 2,822,400
- φ(n) — Euler's totient
- 282,240
- Sum of prime factors
- 54
Primality
Prime factorization: 2 2 × 5 × 7 3 × 11 × 13
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√980,980 = [990; (2, 3, 1, 123, 36, 123, 1, 3, 2, 1980)]
Period length 10 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred eighty thousand nine hundred eighty
- Ordinal
- 980980th
- Binary
- 11101111011111110100
- Octal
- 3573764
- Hexadecimal
- 0xEF7F4
- Base64
- Dvf0
- One's complement
- 4,293,986,315 (32-bit)
- Scientific notation
- 9.8098 × 10⁵
- As a duration
- 980,980 s = 11 days, 8 hours, 29 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ϡπϡπʹ
- Chinese
- 九十八萬零九百八十
- Chinese (financial)
- 玖拾捌萬零玖佰捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 980980, here are decompositions:
- 17 + 980963 = 980980
- 23 + 980957 = 980980
- 59 + 980921 = 980980
- 71 + 980909 = 980980
- 83 + 980897 = 980980
- 149 + 980831 = 980980
- 179 + 980801 = 980980
- 251 + 980729 = 980980
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.14.247.244.
- Address
- 0.14.247.244
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.14.247.244
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 980,980 and was likely granted around 1910.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 980980 first appears in π at position 260,666 of the decimal expansion (the 260,666ordinal-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°.