121,448
121,448 is a composite number, even.
121,448 (one hundred twenty-one thousand four hundred forty-eight) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 17 × 19 × 47. Its proper divisors sum to 137,752, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1DA68.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 256
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 844,121
- Square (n²)
- 14,749,616,704
- Cube (n³)
- 1,791,311,449,467,392
- Divisor count
- 32
- σ(n) — sum of divisors
- 259,200
- φ(n) — Euler's totient
- 52,992
- Sum of prime factors
- 89
Primality
Prime factorization: 2 3 × 17 × 19 × 47
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√121,448 = [348; (2, 40, 2, 696)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-one thousand four hundred forty-eight
- Ordinal
- 121448th
- Binary
- 11101101001101000
- Octal
- 355150
- Hexadecimal
- 0x1DA68
- Base64
- Adpo
- One's complement
- 4,294,845,847 (32-bit)
- Scientific notation
- 1.21448 × 10⁵
- As a duration
- 121,448 s = 1 day, 9 hours, 44 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκαυμηʹ
- Mayan (base 20)
- 𝋯·𝋣·𝋬·𝋨
- Chinese
- 一十二萬一千四百四十八
- Chinese (financial)
- 壹拾貳萬壹仟肆佰肆拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 121448, here are decompositions:
- 7 + 121441 = 121448
- 79 + 121369 = 121448
- 97 + 121351 = 121448
- 127 + 121321 = 121448
- 139 + 121309 = 121448
- 157 + 121291 = 121448
- 181 + 121267 = 121448
- 277 + 121171 = 121448
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9D A9 A8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.218.104.
- Address
- 0.1.218.104
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.218.104
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 121,448 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.