122,668
122,668 is a composite number, even.
122,668 (one hundred twenty-two thousand six hundred sixty-eight) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 7 × 13 × 337. Its proper divisors sum to 142,324, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1DF2C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 1,152
- Digital root
- 7
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 866,221
- Square (n²)
- 15,047,438,224
- Cube (n³)
- 1,845,839,152,061,632
- Divisor count
- 24
- σ(n) — sum of divisors
- 264,992
- φ(n) — Euler's totient
- 48,384
- Sum of prime factors
- 361
Primality
Prime factorization: 2 2 × 7 × 13 × 337
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,668 = [350; (4, 5, 1, 18, 1, 1, 1, 1, 1, 1, 1, 1, 6, 8, 2, 77, 2, 1, 3, 1, 1, 174, 1, 1, …)]
Period length 44 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-two thousand six hundred sixty-eight
- Ordinal
- 122668th
- Binary
- 11101111100101100
- Octal
- 357454
- Hexadecimal
- 0x1DF2C
- Base64
- Ad8s
- One's complement
- 4,294,844,627 (32-bit)
- Scientific notation
- 1.22668 × 10⁵
- As a duration
- 122,668 s = 1 day, 10 hours, 4 minutes, 28 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκβχξηʹ
- Mayan (base 20)
- 𝋯·𝋦·𝋭·𝋨
- Chinese
- 一十二萬二千六百六十八
- Chinese (financial)
- 壹拾貳萬貳仟陸佰陸拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122668, here are decompositions:
- 5 + 122663 = 122668
- 17 + 122651 = 122668
- 59 + 122609 = 122668
- 71 + 122597 = 122668
- 89 + 122579 = 122668
- 107 + 122561 = 122668
- 167 + 122501 = 122668
- 179 + 122489 = 122668
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.223.44.
- Address
- 0.1.223.44
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.223.44
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 122,668 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 122668 first appears in π at position 972,122 of the decimal expansion (the 972,122ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.