129,352
129,352 is a composite number, even.
129,352 (one hundred twenty-nine thousand three hundred fifty-two) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 19 × 23 × 37. Its proper divisors sum to 144,248, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1F948.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 540
- Digital root
- 4
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 253,921
- Recamán's sequence
- a(230,936) = 129,352
- Square (n²)
- 16,731,939,904
- Cube (n³)
- 2,164,309,890,462,208
- Divisor count
- 32
- σ(n) — sum of divisors
- 273,600
- φ(n) — Euler's totient
- 57,024
- Sum of prime factors
- 85
Primality
Prime factorization: 2 3 × 19 × 23 × 37
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√129,352 = [359; (1, 1, 1, 9, 5, 2, 1, 8, 5, 5, 1, 2, 1, 79, 5, 2, 3, 2, 5, 79, 1, 2, 1, 5, …)]
Period length 34 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-nine thousand three hundred fifty-two
- Ordinal
- 129352nd
- Binary
- 11111100101001000
- Octal
- 374510
- Hexadecimal
- 0x1F948
- Base64
- AflI
- One's complement
- 4,294,837,943 (32-bit)
- Scientific notation
- 1.29352 × 10⁵
- As a duration
- 129,352 s = 1 day, 11 hours, 55 minutes, 52 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρκθτνβʹ
- Mayan (base 20)
- 𝋰·𝋣·𝋧·𝋬
- Chinese
- 一十二萬九千三百五十二
- Chinese (financial)
- 壹拾貳萬玖仟參佰伍拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 129352, here are decompositions:
- 5 + 129347 = 129352
- 11 + 129341 = 129352
- 59 + 129293 = 129352
- 71 + 129281 = 129352
- 89 + 129263 = 129352
- 131 + 129221 = 129352
- 233 + 129119 = 129352
- 239 + 129113 = 129352
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9F A5 88 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.249.72.
- Address
- 0.1.249.72
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.249.72
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 129,352 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 129352 first appears in π at position 337,470 of the decimal expansion (the 337,470ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.