138,376
138,376 is a composite number, even.
138,376 (one hundred thirty-eight thousand three hundred seventy-six) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2³ × 7² × 353. Its proper divisors sum to 164,294, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x21C88.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 28
- Digit product
- 3,024
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 673,831
- Recamán's sequence
- a(492,075) = 138,376
- Square (n²)
- 19,147,917,376
- Cube (n³)
- 2,649,612,214,821,376
- Divisor count
- 24
- σ(n) — sum of divisors
- 302,670
- φ(n) — Euler's totient
- 59,136
- Sum of prime factors
- 373
Primality
Prime factorization: 2 3 × 7 2 × 353
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,376 = [371; (1, 91, 1, 742)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-eight thousand three hundred seventy-six
- Ordinal
- 138376th
- Binary
- 100001110010001000
- Octal
- 416210
- Hexadecimal
- 0x21C88
- Base64
- AhyI
- One's complement
- 4,294,828,919 (32-bit)
- Scientific notation
- 1.38376 × 10⁵
- As a duration
- 138,376 s = 1 day, 14 hours, 26 minutes, 16 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλητοϛʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋲·𝋰
- Chinese
- 一十三萬八千三百七十六
- Chinese (financial)
- 壹拾參萬捌仟參佰柒拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138376, here are decompositions:
- 3 + 138373 = 138376
- 5 + 138371 = 138376
- 53 + 138323 = 138376
- 137 + 138239 = 138376
- 167 + 138209 = 138376
- 179 + 138197 = 138376
- 197 + 138179 = 138376
- 233 + 138143 = 138376
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 B2 88 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.28.136.
- Address
- 0.2.28.136
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.28.136
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 138,376 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 138376 first appears in π at position 62,316 of the decimal expansion (the 62,316ordinal-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.