129,013
129,013 is a composite number, odd.
129,013 (one hundred twenty-nine thousand thirteen) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 17 × 7,589. Written other ways, in hexadecimal, 0x1F7F5.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 310,921
- Recamán's sequence
- a(231,614) = 129,013
- Square (n²)
- 16,644,354,169
- Cube (n³)
- 2,147,338,064,405,197
- Divisor count
- 4
- σ(n) — sum of divisors
- 136,620
- φ(n) — Euler's totient
- 121,408
- Sum of prime factors
- 7,606
Primality
Prime factorization: 17 × 7589
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√129,013 = [359; (5, 2, 3, 1, 2, 1, 1, 2, 13, 2, 2, 1, 9, 1, 2, 3, 5, 1, 1, 1, 3, 5, 5, 1, …)]
Period length 57 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-nine thousand thirteen
- Ordinal
- 129013th
- Binary
- 11111011111110101
- Octal
- 373765
- Hexadecimal
- 0x1F7F5
- Base64
- Aff1
- One's complement
- 4,294,838,282 (32-bit)
- Scientific notation
- 1.29013 × 10⁵
- As a duration
- 129,013 s = 1 day, 11 hours, 50 minutes, 13 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκθιγʹ
- Mayan (base 20)
- 𝋰·𝋢·𝋪·𝋭
- Chinese
- 一十二萬九千零一十三
- Chinese (financial)
- 壹拾貳萬玖仟零壹拾參
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.247.245.
- Address
- 0.1.247.245
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.247.245
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 129,013 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.