121,090
121,090 is a composite number, even.
121,090 (one hundred twenty-one thousand ninety) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 5 × 12,109. Written other ways, in hexadecimal, 0x1D902.
Interestingness
Properties
Primality
Prime factorization: 2 × 5 × 12109
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√121,090 = [347; (1, 48, 1, 2, 2, 13, 1, 3, 2, 4, 6, 22, 3, 2, 4, 1, 2, 1, 1, 1, 4, 1, 7, 1, …)]
Representations
- In words
- one hundred twenty-one thousand ninety
- Ordinal
- 121090th
- Binary
- 11101100100000010
- Octal
- 354402
- Hexadecimal
- 0x1D902
- Base64
- AdkC
- One's complement
- 4,294,846,205 (32-bit)
- Scientific notation
- 1.2109 × 10⁵
- As a duration
- 121,090 s = 1 day, 9 hours, 38 minutes, 10 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκαϟʹ
- Mayan (base 20)
- 𝋯·𝋢·𝋮·𝋪
- Chinese
- 一十二萬一千零九十
- Chinese (financial)
- 壹拾貳萬壹仟零玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 121090, here are decompositions:
- 23 + 121067 = 121090
- 29 + 121061 = 121090
- 71 + 121019 = 121090
- 83 + 121007 = 121090
- 89 + 121001 = 121090
- 113 + 120977 = 121090
- 149 + 120941 = 121090
- 173 + 120917 = 121090
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9D A4 82 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.217.2.
- Address
- 0.1.217.2
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.217.2
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 121,090 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 121090 first appears in π at position 63,081 of the decimal expansion (the 63,081ordinal-suffix:st 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.