121,424
121,424 is a composite number, even.
121,424 (one hundred twenty-one thousand four hundred twenty-four) is an even 6-digit number. It is a composite number with 10 divisors, and factors as 2⁴ × 7,589. Written other ways, in hexadecimal, 0x1DA50.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 64
- Digital root
- 5
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 424,121
- Square (n²)
- 14,743,787,776
- Cube (n³)
- 1,790,249,686,913,024
- Divisor count
- 10
- σ(n) — sum of divisors
- 235,290
- φ(n) — Euler's totient
- 60,704
- Sum of prime factors
- 7,597
Primality
Prime factorization: 2 4 × 7589
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√121,424 = [348; (2, 5, 1, 2, 99, 4, 1, 3, 1, 9, 1, 13, 3, 5, 1, 8, 1, 2, 2, 1, 1, 3, 43, 3, …)]
Period length 46 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-one thousand four hundred twenty-four
- Ordinal
- 121424th
- Binary
- 11101101001010000
- Octal
- 355120
- Hexadecimal
- 0x1DA50
- Base64
- AdpQ
- One's complement
- 4,294,845,871 (32-bit)
- Scientific notation
- 1.21424 × 10⁵
- As a duration
- 121,424 s = 1 day, 9 hours, 43 minutes, 44 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκαυκδʹ
- Mayan (base 20)
- 𝋯·𝋣·𝋫·𝋤
- Chinese
- 一十二萬一千四百二十四
- Chinese (financial)
- 壹拾貳萬壹仟肆佰貳拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 121424, here are decompositions:
- 3 + 121421 = 121424
- 67 + 121357 = 121424
- 73 + 121351 = 121424
- 97 + 121327 = 121424
- 103 + 121321 = 121424
- 157 + 121267 = 121424
- 487 + 120937 = 121424
- 547 + 120877 = 121424
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9D A9 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.218.80.
- Address
- 0.1.218.80
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.218.80
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 121,424 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.