979,980
979,980 is a composite number, even.
979,980 (nine hundred seventy-nine thousand nine hundred eighty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 3 × 5 × 16,333. Its proper divisors sum to 1,764,132, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xEF40C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 42
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 89,979
- Square (n²)
- 960,360,800,400
- Cube (n³)
- 941,134,377,175,992,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 2,744,112
- φ(n) — Euler's totient
- 261,312
- Sum of prime factors
- 16,345
Primality
Prime factorization: 2 2 × 3 × 5 × 16333
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√979,980 = [989; (1, 15, 2, 494, 2, 15, 1, 1978)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred seventy-nine thousand nine hundred eighty
- Ordinal
- 979980th
- Binary
- 11101111010000001100
- Octal
- 3572014
- Hexadecimal
- 0xEF40C
- Base64
- DvQM
- One's complement
- 4,293,987,315 (32-bit)
- Scientific notation
- 9.7998 × 10⁵
- As a duration
- 979,980 s = 11 days, 8 hours, 13 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 𒌋𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ϡοθϡπʹ
- Chinese
- 九十七萬九千九百八十
- Chinese (financial)
- 玖拾柒萬玖仟玖佰捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 979980, here are decompositions:
- 11 + 979969 = 979980
- 31 + 979949 = 979980
- 59 + 979921 = 979980
- 61 + 979919 = 979980
- 73 + 979907 = 979980
- 97 + 979883 = 979980
- 107 + 979873 = 979980
- 149 + 979831 = 979980
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.14.244.12.
- Address
- 0.14.244.12
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.14.244.12
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 979,980 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 979980 first appears in π at position 322,428 of the decimal expansion (the 322,428ordinal-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°.