120,728
120,728 is a composite number, even.
120,728 (one hundred twenty thousand seven hundred twenty-eight) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2³ × 15,091. Written other ways, in hexadecimal, 0x1D798.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 827,021
- Square (n²)
- 14,575,249,984
- Cube (n³)
- 1,759,640,780,068,352
- Divisor count
- 8
- σ(n) — sum of divisors
- 226,380
- φ(n) — Euler's totient
- 60,360
- Sum of prime factors
- 15,097
Primality
Prime factorization: 2 3 × 15091
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√120,728 = [347; (2, 5, 1, 1, 1, 6, 30, 15, 1, 3, 5, 1, 2, 1, 3, 1, 21, 1, 1, 1, 2, 5, 2, 1, …)]
Representations
- In words
- one hundred twenty thousand seven hundred twenty-eight
- Ordinal
- 120728th
- Binary
- 11101011110011000
- Octal
- 353630
- Hexadecimal
- 0x1D798
- Base64
- AdeY
- One's complement
- 4,294,846,567 (32-bit)
- Scientific notation
- 1.20728 × 10⁵
- As a duration
- 120,728 s = 1 day, 9 hours, 32 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκψκηʹ
- Mayan (base 20)
- 𝋯·𝋡·𝋰·𝋨
- Chinese
- 一十二萬零七百二十八
- Chinese (financial)
- 壹拾貳萬零柒佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 120728, here are decompositions:
- 7 + 120721 = 120728
- 19 + 120709 = 120728
- 37 + 120691 = 120728
- 67 + 120661 = 120728
- 109 + 120619 = 120728
- 151 + 120577 = 120728
- 331 + 120397 = 120728
- 337 + 120391 = 120728
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9D 9E 98 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.215.152.
- Address
- 0.1.215.152
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.215.152
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 120,728 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 120728 first appears in π at position 14,595 of the decimal expansion (the 14,595ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.