138,671
138,671 is a composite number, odd.
138,671 (one hundred thirty-eight thousand six hundred seventy-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 13 × 10,667. Written other ways, in hexadecimal, 0x21DAF.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 1,008
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 176,831
- Recamán's sequence
- a(491,485) = 138,671
- Square (n²)
- 19,229,646,241
- Cube (n³)
- 2,666,594,273,885,711
- Divisor count
- 4
- σ(n) — sum of divisors
- 149,352
- φ(n) — Euler's totient
- 127,992
- Sum of prime factors
- 10,680
Primality
Prime factorization: 13 × 10667
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,671 = [372; (2, 1, 1, 2, 5, 1, 12, 1, 2, 3, 4, 1, 1, 43, 3, 1, 7, 11, 3, 25, 2, 1, 3, 1, …)]
Representations
- In words
- one hundred thirty-eight thousand six hundred seventy-one
- Ordinal
- 138671st
- Binary
- 100001110110101111
- Octal
- 416657
- Hexadecimal
- 0x21DAF
- Base64
- Ah2v
- One's complement
- 4,294,828,624 (32-bit)
- Scientific notation
- 1.38671 × 10⁵
- As a duration
- 138,671 s = 1 day, 14 hours, 31 minutes, 11 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹 𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρληχοαʹ
- Mayan (base 20)
- 𝋱·𝋦·𝋭·𝋫
- Chinese
- 一十三萬八千六百七十一
- Chinese (financial)
- 壹拾參萬捌仟陸佰柒拾壹
Also seen as
UTF-8 encoding: F0 A1 B6 AF (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.29.175.
- Address
- 0.2.29.175
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.29.175
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 138,671 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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.