138,313
138,313 is a composite number, odd.
138,313 (one hundred thirty-eight thousand three hundred thirteen) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 7 × 19,759. Written other ways, in hexadecimal, 0x21C49.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 216
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 313,831
- Recamán's sequence
- a(492,201) = 138,313
- Square (n²)
- 19,130,485,969
- Cube (n³)
- 2,645,994,905,830,297
- Divisor count
- 4
- σ(n) — sum of divisors
- 158,080
- φ(n) — Euler's totient
- 118,548
- Sum of prime factors
- 19,766
Primality
Prime factorization: 7 × 19759
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,313 = [371; (1, 9, 2, 10, 1, 1, 1, 2, 35, 23, 4, 1, 1, 1, 2, 1, 4, 82, 2, 3, 3, 1, 1, 2, …)]
Representations
- In words
- one hundred thirty-eight thousand three hundred thirteen
- Ordinal
- 138313th
- Binary
- 100001110001001001
- Octal
- 416111
- Hexadecimal
- 0x21C49
- Base64
- AhxJ
- One's complement
- 4,294,828,982 (32-bit)
- Scientific notation
- 1.38313 × 10⁵
- As a duration
- 138,313 s = 1 day, 14 hours, 25 minutes, 13 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλητιγʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋯·𝋭
- Chinese
- 一十三萬八千三百一十三
- Chinese (financial)
- 壹拾參萬捌仟參佰壹拾參
Also seen as
UTF-8 encoding: F0 A1 B1 89 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.28.73.
- Address
- 0.2.28.73
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.28.73
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 138,313 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.