122,380
122,380 is a composite number, even.
122,380 (one hundred twenty-two thousand three hundred eighty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 5 × 29 × 211. Its proper divisors sum to 144,740, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1DE0C.
Interestingness
Properties
Primality
Prime factorization: 2 2 × 5 × 29 × 211
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,380 = [349; (1, 4, 1, 4, 1, 18, 1, 1, 1, 1, 5, 1, 2, 2, 1, 7, 1, 14, 1, 1, 1, 28, 2, 34, …)]
Period length 48 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-two thousand three hundred eighty
- Ordinal
- 122380th
- Binary
- 11101111000001100
- Octal
- 357014
- Hexadecimal
- 0x1DE0C
- Base64
- Ad4M
- One's complement
- 4,294,844,915 (32-bit)
- Scientific notation
- 1.2238 × 10⁵
- As a duration
- 122,380 s = 1 day, 9 hours, 59 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκβτπʹ
- Mayan (base 20)
- 𝋯·𝋥·𝋳·𝋠
- Chinese
- 一十二萬二千三百八十
- Chinese (financial)
- 壹拾貳萬貳仟參佰捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122380, here are decompositions:
- 17 + 122363 = 122380
- 53 + 122327 = 122380
- 59 + 122321 = 122380
- 101 + 122279 = 122380
- 107 + 122273 = 122380
- 113 + 122267 = 122380
- 149 + 122231 = 122380
- 173 + 122207 = 122380
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.222.12.
- Address
- 0.1.222.12
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.222.12
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 122,380 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 122380 first appears in π at position 357,554 of the decimal expansion (the 357,554ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.