121,122
121,122 is a composite number, even.
121,122 (one hundred twenty-one thousand one hundred twenty-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 3³ × 2,243. Its proper divisors sum to 148,158, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1D922.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 9
- Digit product
- 8
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 221,121
- Square (n²)
- 14,670,538,884
- Cube (n³)
- 1,776,925,010,707,848
- Divisor count
- 16
- σ(n) — sum of divisors
- 269,280
- φ(n) — Euler's totient
- 40,356
- Sum of prime factors
- 2,254
Primality
Prime factorization: 2 × 3 3 × 2243
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√121,122 = [348; (38, 1, 2, 77, 348, 77, 2, 1, 38, 696)]
Period length 10 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-one thousand one hundred twenty-two
- Ordinal
- 121122nd
- Binary
- 11101100100100010
- Octal
- 354442
- Hexadecimal
- 0x1D922
- Base64
- Adki
- One's complement
- 4,294,846,173 (32-bit)
- Scientific notation
- 1.21122 × 10⁵
- As a duration
- 121,122 s = 1 day, 9 hours, 38 minutes, 42 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓍢𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρκαρκβʹ
- Mayan (base 20)
- 𝋯·𝋢·𝋰·𝋢
- Chinese
- 一十二萬一千一百二十二
- Chinese (financial)
- 壹拾貳萬壹仟壹佰貳拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 121122, here are decompositions:
- 41 + 121081 = 121122
- 59 + 121063 = 121122
- 61 + 121061 = 121122
- 83 + 121039 = 121122
- 101 + 121021 = 121122
- 103 + 121019 = 121122
- 109 + 121013 = 121122
- 179 + 120943 = 121122
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9D A4 A2 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.217.34.
- Address
- 0.1.217.34
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.217.34
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 121,122 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 121122 first appears in π at position 151,435 of the decimal expansion (the 151,435ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.