103,442
103,442 is a composite number, even.
103,442 (one hundred three thousand four hundred forty-two) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 51,721. Written other ways, in hexadecimal, 0x19412.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 244,301
- Recamán's sequence
- a(95,615) = 103,442
- Square (n²)
- 10,700,247,364
- Cube (n³)
- 1,106,854,987,826,888
- Divisor count
- 4
- σ(n) — sum of divisors
- 155,166
- φ(n) — Euler's totient
- 51,720
- Sum of prime factors
- 51,723
Primality
Prime factorization: 2 × 51721
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√103,442 = [321; (1, 1, 1, 1, 1, 15, 15, 1, 1, 1, 1, 1, 642)]
Period length 13 — the block in parentheses repeats forever.
Representations
- In words
- one hundred three thousand four hundred forty-two
- Ordinal
- 103442nd
- Binary
- 11001010000010010
- Octal
- 312022
- Hexadecimal
- 0x19412
- Base64
- AZQS
- One's complement
- 4,294,863,853 (32-bit)
- Scientific notation
- 1.03442 × 10⁵
- As a duration
- 103,442 s = 1 day, 4 hours, 44 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ργυμβʹ
- Mayan (base 20)
- 𝋬·𝋲·𝋬·𝋢
- Chinese
- 一十萬三千四百四十二
- Chinese (financial)
- 壹拾萬參仟肆佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 103442, here are decompositions:
- 19 + 103423 = 103442
- 43 + 103399 = 103442
- 109 + 103333 = 103442
- 151 + 103291 = 103442
- 211 + 103231 = 103442
- 271 + 103171 = 103442
- 349 + 103093 = 103442
- 373 + 103069 = 103442
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.148.18.
- Address
- 0.1.148.18
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.148.18
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 103,442 and was likely granted around 1870.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 103442 first appears in π at position 596,643 of the decimal expansion (the 596,643ordinal-suffix:rd 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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.