129,332
129,332 is a composite number, even.
129,332 (one hundred twenty-nine thousand three hundred thirty-two) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 7 × 31 × 149. Its proper divisors sum to 139,468, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1F934.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 324
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 233,921
- Recamán's sequence
- a(230,976) = 129,332
- Square (n²)
- 16,726,766,224
- Cube (n³)
- 2,163,306,129,282,368
- Divisor count
- 24
- σ(n) — sum of divisors
- 268,800
- φ(n) — Euler's totient
- 53,280
- Sum of prime factors
- 191
Primality
Prime factorization: 2 2 × 7 × 31 × 149
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√129,332 = [359; (1, 1, 1, 2, 5, 1, 2, 44, 1, 1, 1, 1, 22, 1, 1, 1, 1, 44, 2, 1, 5, 2, 1, 1, …)]
Period length 26 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-nine thousand three hundred thirty-two
- Ordinal
- 129332nd
- Binary
- 11111100100110100
- Octal
- 374464
- Hexadecimal
- 0x1F934
- Base64
- Afk0
- One's complement
- 4,294,837,963 (32-bit)
- Scientific notation
- 1.29332 × 10⁵
- As a duration
- 129,332 s = 1 day, 11 hours, 55 minutes, 32 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρκθτλβʹ
- Mayan (base 20)
- 𝋰·𝋣·𝋦·𝋬
- Chinese
- 一十二萬九千三百三十二
- Chinese (financial)
- 壹拾貳萬玖仟參佰參拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 129332, here are decompositions:
- 19 + 129313 = 129332
- 43 + 129289 = 129332
- 103 + 129229 = 129332
- 109 + 129223 = 129332
- 139 + 129193 = 129332
- 163 + 129169 = 129332
- 211 + 129121 = 129332
- 271 + 129061 = 129332
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9F A4 B4 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.249.52.
- Address
- 0.1.249.52
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.249.52
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 129,332 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.