122,140
122,140 is a composite number, even.
122,140 (one hundred twenty-two thousand one hundred forty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 5 × 31 × 197. Its proper divisors sum to 143,972, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1DD1C.
Interestingness
Properties
Primality
Prime factorization: 2 2 × 5 × 31 × 197
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,140 = [349; (2, 16, 1, 1, 4, 1, 1, 1, 28, 2, 11, 6, 3, 13, 1, 18, 2, 16, 1, 76, 1, 2, 1, 1, …)]
Representations
- In words
- one hundred twenty-two thousand one hundred forty
- Ordinal
- 122140th
- Binary
- 11101110100011100
- Octal
- 356434
- Hexadecimal
- 0x1DD1C
- Base64
- Ad0c
- One's complement
- 4,294,845,155 (32-bit)
- Scientific notation
- 1.2214 × 10⁵
- As a duration
- 122,140 s = 1 day, 9 hours, 55 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκβρμʹ
- Mayan (base 20)
- 𝋯·𝋥·𝋧·𝋠
- Chinese
- 一十二萬二千一百四十
- Chinese (financial)
- 壹拾貳萬貳仟壹佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122140, here are decompositions:
- 23 + 122117 = 122140
- 41 + 122099 = 122140
- 59 + 122081 = 122140
- 71 + 122069 = 122140
- 89 + 122051 = 122140
- 101 + 122039 = 122140
- 107 + 122033 = 122140
- 113 + 122027 = 122140
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.221.28.
- Address
- 0.1.221.28
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.221.28
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 122,140 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 122140 first appears in π at position 576,309 of the decimal expansion (the 576,309ordinal-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.