129,350
129,350 is a composite number, even.
129,350 (one hundred twenty-nine thousand three hundred fifty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2 × 5² × 13 × 199. Its proper divisors sum to 131,050, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1F946.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 53,921
- Recamán's sequence
- a(230,940) = 129,350
- Square (n²)
- 16,731,422,500
- Cube (n³)
- 2,164,209,500,375,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 260,400
- φ(n) — Euler's totient
- 47,520
- Sum of prime factors
- 224
Primality
Prime factorization: 2 × 5 2 × 13 × 199
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√129,350 = [359; (1, 1, 1, 7, 4, 4, 1, 13, 1, 6, 1, 2, 1, 1, 3, 5, 4, 1, 2, 1, 4, 5, 3, 1, …)]
Period length 38 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-nine thousand three hundred fifty
- Ordinal
- 129350th
- Binary
- 11111100101000110
- Octal
- 374506
- Hexadecimal
- 0x1F946
- Base64
- AflG
- One's complement
- 4,294,837,945 (32-bit)
- Scientific notation
- 1.2935 × 10⁵
- As a duration
- 129,350 s = 1 day, 11 hours, 55 minutes, 50 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκθτνʹ
- Mayan (base 20)
- 𝋰·𝋣·𝋧·𝋪
- Chinese
- 一十二萬九千三百五十
- Chinese (financial)
- 壹拾貳萬玖仟參佰伍拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 129350, here are decompositions:
- 3 + 129347 = 129350
- 37 + 129313 = 129350
- 61 + 129289 = 129350
- 73 + 129277 = 129350
- 127 + 129223 = 129350
- 157 + 129193 = 129350
- 163 + 129187 = 129350
- 181 + 129169 = 129350
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9F A5 86 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.249.70.
- Address
- 0.1.249.70
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.249.70
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 129,350 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.