129,429
129,429 is a composite number, odd.
129,429 (one hundred twenty-nine thousand four hundred twenty-nine) is an odd 6-digit number. It is a composite number with 12 divisors, and factors as 3² × 73 × 197. Written other ways, in hexadecimal, 0x1F995.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 1,296
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 924,921
- Recamán's sequence
- a(230,782) = 129,429
- Square (n²)
- 16,751,866,041
- Cube (n³)
- 2,168,177,269,820,589
- Divisor count
- 12
- σ(n) — sum of divisors
- 190,476
- φ(n) — Euler's totient
- 84,672
- Sum of prime factors
- 276
Primality
Prime factorization: 3 2 × 73 × 197
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√129,429 = [359; (1, 3, 4, 1, 3, 1, 1, 2, 1, 2, 2, 11, 2, 1, 2, 8, 10, 1, 19, 13, 31, 4, 1, 4, …)]
Representations
- In words
- one hundred twenty-nine thousand four hundred twenty-nine
- Ordinal
- 129429th
- Binary
- 11111100110010101
- Octal
- 374625
- Hexadecimal
- 0x1F995
- Base64
- AfmV
- One's complement
- 4,294,837,866 (32-bit)
- Scientific notation
- 1.29429 × 10⁵
- As a duration
- 129,429 s = 1 day, 11 hours, 57 minutes, 9 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκθυκθʹ
- Mayan (base 20)
- 𝋰·𝋣·𝋫·𝋩
- Chinese
- 一十二萬九千四百二十九
- Chinese (financial)
- 壹拾貳萬玖仟肆佰貳拾玖
Also seen as
UTF-8 encoding: F0 9F A6 95 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.249.149.
- Address
- 0.1.249.149
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.249.149
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 129,429 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 129429 first appears in π at position 54,861 of the decimal expansion (the 54,861ordinal-suffix:st 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.