127,472
127,472 is a composite number, even.
127,472 (one hundred twenty-seven thousand four hundred seventy-two) is an even 6-digit number. It is a composite number with 20 divisors, and factors as 2⁴ × 31 × 257. Its proper divisors sum to 128,464, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1F1F0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 784
- Digital root
- 5
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 274,721
- Recamán's sequence
- a(498,423) = 127,472
- Square (n²)
- 16,249,110,784
- Cube (n³)
- 2,071,306,649,858,048
- Divisor count
- 20
- σ(n) — sum of divisors
- 255,936
- φ(n) — Euler's totient
- 61,440
- Sum of prime factors
- 296
Primality
Prime factorization: 2 4 × 31 × 257
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√127,472 = [357; (31, 22, 3, 1, 1, 5, 3, 44, 3, 5, 1, 1, 3, 22, 31, 714)]
Period length 16 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-seven thousand four hundred seventy-two
- Ordinal
- 127472nd
- Binary
- 11111000111110000
- Octal
- 370760
- Hexadecimal
- 0x1F1F0
- Base64
- AfHw
- One's complement
- 4,294,839,823 (32-bit)
- Scientific notation
- 1.27472 × 10⁵
- As a duration
- 127,472 s = 1 day, 11 hours, 24 minutes, 32 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρκζυοβʹ
- Mayan (base 20)
- 𝋯·𝋲·𝋭·𝋬
- Chinese
- 一十二萬七千四百七十二
- Chinese (financial)
- 壹拾貳萬柒仟肆佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 127472, here are decompositions:
- 19 + 127453 = 127472
- 73 + 127399 = 127472
- 109 + 127363 = 127472
- 151 + 127321 = 127472
- 181 + 127291 = 127472
- 211 + 127261 = 127472
- 223 + 127249 = 127472
- 283 + 127189 = 127472
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9F 87 B0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.241.240.
- Address
- 0.1.241.240
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.241.240
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 127,472 and was likely granted around 1872.
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.