121,080
121,080 is a composite number, even.
121,080 (one hundred twenty-one thousand eighty) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 3 × 5 × 1,009. Its proper divisors sum to 242,520, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1D8F8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 12
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 80,121
- Square (n²)
- 14,660,366,400
- Cube (n³)
- 1,775,077,163,712,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 363,600
- φ(n) — Euler's totient
- 32,256
- Sum of prime factors
- 1,023
Primality
Prime factorization: 2 3 × 3 × 5 × 1009
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√121,080 = [347; (1, 27, 1, 694)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-one thousand eighty
- Ordinal
- 121080th
- Binary
- 11101100011111000
- Octal
- 354370
- Hexadecimal
- 0x1D8F8
- Base64
- Adj4
- One's complement
- 4,294,846,215 (32-bit)
- Scientific notation
- 1.2108 × 10⁵
- As a duration
- 121,080 s = 1 day, 9 hours, 38 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκαπʹ
- Mayan (base 20)
- 𝋯·𝋢·𝋮·𝋠
- Chinese
- 一十二萬一千零八十
- Chinese (financial)
- 壹拾貳萬壹仟零捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 121080, here are decompositions:
- 13 + 121067 = 121080
- 17 + 121063 = 121080
- 19 + 121061 = 121080
- 41 + 121039 = 121080
- 59 + 121021 = 121080
- 61 + 121019 = 121080
- 67 + 121013 = 121080
- 73 + 121007 = 121080
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9D A3 B8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.216.248.
- Address
- 0.1.216.248
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.216.248
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 121,080 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.