121,040
121,040 is a composite number, even.
121,040 (one hundred twenty-one thousand forty) is an even 6-digit number. It is a composite number with 40 divisors, and factors as 2⁴ × 5 × 17 × 89. Its proper divisors sum to 180,280, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1D8D0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 8
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 40,121
- Square (n²)
- 14,650,681,600
- Cube (n³)
- 1,773,318,500,864,000
- Divisor count
- 40
- σ(n) — sum of divisors
- 301,320
- φ(n) — Euler's totient
- 45,056
- Sum of prime factors
- 119
Primality
Prime factorization: 2 4 × 5 × 17 × 89
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√121,040 = [347; (1, 9, 1, 6, 1, 9, 1, 694)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-one thousand forty
- Ordinal
- 121040th
- Binary
- 11101100011010000
- Octal
- 354320
- Hexadecimal
- 0x1D8D0
- Base64
- AdjQ
- One's complement
- 4,294,846,255 (32-bit)
- Scientific notation
- 1.2104 × 10⁵
- As a duration
- 121,040 s = 1 day, 9 hours, 37 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκαμʹ
- Mayan (base 20)
- 𝋯·𝋢·𝋬·𝋠
- Chinese
- 一十二萬一千零四十
- Chinese (financial)
- 壹拾貳萬壹仟零肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 121040, here are decompositions:
- 19 + 121021 = 121040
- 43 + 120997 = 121040
- 97 + 120943 = 121040
- 103 + 120937 = 121040
- 151 + 120889 = 121040
- 163 + 120877 = 121040
- 193 + 120847 = 121040
- 211 + 120829 = 121040
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9D A3 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.216.208.
- Address
- 0.1.216.208
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.216.208
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 121,040 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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.