138,146
138,146 is a composite number, even.
138,146 (one hundred thirty-eight thousand one hundred forty-six) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 69,073. Written other ways, in hexadecimal, 0x21BA2.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 576
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 641,831
- Recamán's sequence
- a(492,535) = 138,146
- Square (n²)
- 19,084,317,316
- Cube (n³)
- 2,636,422,099,936,136
- Divisor count
- 4
- σ(n) — sum of divisors
- 207,222
- φ(n) — Euler's totient
- 69,072
- Sum of prime factors
- 69,075
Primality
Prime factorization: 2 × 69073
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,146 = [371; (1, 2, 8, 52, 1, 42, 1, 2, 1, 14, 2, 2, 1, 2, 2, 2, 3, 2, 3, 1, 1, 2, 1, 1, …)]
Representations
- In words
- one hundred thirty-eight thousand one hundred forty-six
- Ordinal
- 138146th
- Binary
- 100001101110100010
- Octal
- 415642
- Hexadecimal
- 0x21BA2
- Base64
- Ahui
- One's complement
- 4,294,829,149 (32-bit)
- Scientific notation
- 1.38146 × 10⁵
- As a duration
- 138,146 s = 1 day, 14 hours, 22 minutes, 26 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρληρμϛʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋧·𝋦
- Chinese
- 一十三萬八千一百四十六
- Chinese (financial)
- 壹拾參萬捌仟壹佰肆拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138146, here are decompositions:
- 3 + 138143 = 138146
- 7 + 138139 = 138146
- 67 + 138079 = 138146
- 139 + 138007 = 138146
- 163 + 137983 = 138146
- 199 + 137947 = 138146
- 277 + 137869 = 138146
- 409 + 137737 = 138146
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 AE A2 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.162.
- Address
- 0.2.27.162
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.162
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 138,146 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 138146 first appears in π at position 100,621 of the decimal expansion (the 100,621ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.