122,166
122,166 is a composite number, even.
122,166 (one hundred twenty-two thousand one hundred sixty-six) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2 × 3² × 11 × 617. Its proper divisors sum to 167,058, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1DD36.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 144
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 661,221
- Square (n²)
- 14,924,531,556
- Cube (n³)
- 1,823,270,322,070,296
- Divisor count
- 24
- σ(n) — sum of divisors
- 289,224
- φ(n) — Euler's totient
- 36,960
- Sum of prime factors
- 636
Primality
Prime factorization: 2 × 3 2 × 11 × 617
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,166 = [349; (1, 1, 10, 1, 1, 2, 8, 1, 2, 6, 1, 6, 5, 14, 13, 1, 10, 5, 1, 76, 1, 5, 10, 1, …)]
Period length 40 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-two thousand one hundred sixty-six
- Ordinal
- 122166th
- Binary
- 11101110100110110
- Octal
- 356466
- Hexadecimal
- 0x1DD36
- Base64
- Ad02
- One's complement
- 4,294,845,129 (32-bit)
- Scientific notation
- 1.22166 × 10⁵
- As a duration
- 122,166 s = 1 day, 9 hours, 56 minutes, 6 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκβρξϛʹ
- Mayan (base 20)
- 𝋯·𝋥·𝋨·𝋦
- Chinese
- 一十二萬二千一百六十六
- Chinese (financial)
- 壹拾貳萬貳仟壹佰陸拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122166, here are decompositions:
- 17 + 122149 = 122166
- 19 + 122147 = 122166
- 67 + 122099 = 122166
- 97 + 122069 = 122166
- 113 + 122053 = 122166
- 127 + 122039 = 122166
- 137 + 122029 = 122166
- 139 + 122027 = 122166
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.221.54.
- Address
- 0.1.221.54
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.221.54
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 122,166 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 122166 first appears in π at position 169,542 of the decimal expansion (the 169,542ordinal-suffix:nd 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°.