121,422
121,422 is a composite number, even.
121,422 (one hundred twenty-one thousand four hundred twenty-two) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 3 × 7³ × 59. Its proper divisors sum to 166,578, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1DA4E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 12
- Digit product
- 32
- Digital root
- 3
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 224,121
- Square (n²)
- 14,743,302,084
- Cube (n³)
- 1,790,161,225,643,448
- Divisor count
- 32
- σ(n) — sum of divisors
- 288,000
- φ(n) — Euler's totient
- 34,104
- Sum of prime factors
- 85
Primality
Prime factorization: 2 × 3 × 7 3 × 59
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√121,422 = [348; (2, 5, 3, 1, 5, 1, 1, 13, 1, 2, 6, 1, 1, 3, 1, 2, 1, 4, 1, 13, 2, 1, 1, 13, …)]
Representations
- In words
- one hundred twenty-one thousand four hundred twenty-two
- Ordinal
- 121422nd
- Binary
- 11101101001001110
- Octal
- 355116
- Hexadecimal
- 0x1DA4E
- Base64
- AdpO
- One's complement
- 4,294,845,873 (32-bit)
- Scientific notation
- 1.21422 × 10⁵
- As a duration
- 121,422 s = 1 day, 9 hours, 43 minutes, 42 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρκαυκβʹ
- Mayan (base 20)
- 𝋯·𝋣·𝋫·𝋢
- Chinese
- 一十二萬一千四百二十二
- Chinese (financial)
- 壹拾貳萬壹仟肆佰貳拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 121422, here are decompositions:
- 19 + 121403 = 121422
- 43 + 121379 = 121422
- 53 + 121369 = 121422
- 71 + 121351 = 121422
- 73 + 121349 = 121422
- 79 + 121343 = 121422
- 89 + 121333 = 121422
- 101 + 121321 = 121422
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9D A9 8E (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.218.78.
- Address
- 0.1.218.78
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.218.78
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 121,422 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 121422 first appears in π at position 404,631 of the decimal expansion (the 404,631ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.