121,924
121,924 is a composite number, even.
121,924 (one hundred twenty-one thousand nine hundred twenty-four) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 11 × 17 × 163. Its proper divisors sum to 126,044, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1DC44.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 144
- Digital root
- 1
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 429,121
- Square (n²)
- 14,865,461,776
- Cube (n³)
- 1,812,456,561,577,024
- Divisor count
- 24
- σ(n) — sum of divisors
- 247,968
- φ(n) — Euler's totient
- 51,840
- Sum of prime factors
- 195
Primality
Prime factorization: 2 2 × 11 × 17 × 163
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√121,924 = [349; (5, 1, 2, 11, 3, 2, 36, 3, 13, 10, 21, 1, 2, 1, 1, 1, 2, 9, 1, 2, 1, 6, 1, 3, …)]
Representations
- In words
- one hundred twenty-one thousand nine hundred twenty-four
- Ordinal
- 121924th
- Binary
- 11101110001000100
- Octal
- 356104
- Hexadecimal
- 0x1DC44
- Base64
- AdxE
- One's complement
- 4,294,845,371 (32-bit)
- Scientific notation
- 1.21924 × 10⁵
- As a duration
- 121,924 s = 1 day, 9 hours, 52 minutes, 4 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹 𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκαϡκδʹ
- Mayan (base 20)
- 𝋯·𝋤·𝋰·𝋤
- Chinese
- 一十二萬一千九百二十四
- Chinese (financial)
- 壹拾貳萬壹仟玖佰貳拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 121924, here are decompositions:
- 3 + 121921 = 121924
- 41 + 121883 = 121924
- 71 + 121853 = 121924
- 137 + 121787 = 121924
- 197 + 121727 = 121924
- 227 + 121697 = 121924
- 263 + 121661 = 121924
- 293 + 121631 = 121924
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.220.68.
- Address
- 0.1.220.68
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.220.68
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 121,924 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.