138,304
138,304 is a composite number, even.
138,304 (one hundred thirty-eight thousand three hundred four) is an even 6-digit number. It is a composite number with 14 divisors, and factors as 2⁶ × 2,161. Written other ways, in hexadecimal, 0x21C40.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 403,831
- Recamán's sequence
- a(492,219) = 138,304
- Square (n²)
- 19,127,996,416
- Cube (n³)
- 2,645,478,416,318,464
- Divisor count
- 14
- σ(n) — sum of divisors
- 274,574
- φ(n) — Euler's totient
- 69,120
- Sum of prime factors
- 2,173
Primality
Prime factorization: 2 6 × 2161
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,304 = [371; (1, 8, 3, 2, 1, 6, 1, 2, 1, 4, 1, 8, 2, 1, 4, 11, 4, 2, 1, 2, 1, 7, 1, 1, …)]
Representations
- In words
- one hundred thirty-eight thousand three hundred four
- Ordinal
- 138304th
- Binary
- 100001110001000000
- Octal
- 416100
- Hexadecimal
- 0x21C40
- Base64
- AhxA
- One's complement
- 4,294,828,991 (32-bit)
- Scientific notation
- 1.38304 × 10⁵
- As a duration
- 138,304 s = 1 day, 14 hours, 25 minutes, 4 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλητδʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋯·𝋤
- Chinese
- 一十三萬八千三百零四
- Chinese (financial)
- 壹拾參萬捌仟參佰零肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138304, here are decompositions:
- 53 + 138251 = 138304
- 107 + 138197 = 138304
- 113 + 138191 = 138304
- 191 + 138113 = 138304
- 197 + 138107 = 138304
- 227 + 138077 = 138304
- 233 + 138071 = 138304
- 251 + 138053 = 138304
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 B1 80 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.28.64.
- Address
- 0.2.28.64
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.28.64
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 138,304 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 138304 first appears in π at position 388,377 of the decimal expansion (the 388,377ordinal-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.