138,713
138,713 is a composite number, odd.
138,713 (one hundred thirty-eight thousand seven hundred thirteen) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 23 × 37 × 163. Written other ways, in hexadecimal, 0x21DD9.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 504
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 317,831
- Recamán's sequence
- a(491,401) = 138,713
- Square (n²)
- 19,241,296,369
- Cube (n³)
- 2,669,017,943,233,097
- Divisor count
- 8
- σ(n) — sum of divisors
- 149,568
- φ(n) — Euler's totient
- 128,304
- Sum of prime factors
- 223
Primality
Prime factorization: 23 × 37 × 163
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,713 = [372; (2, 3, 1, 4, 6, 2, 3, 1, 3, 2, 1, 17, 2, 9, 5, 3, 67, 2, 2, 10, 11, 46, 2, 6, …)]
Representations
- In words
- one hundred thirty-eight thousand seven hundred thirteen
- Ordinal
- 138713th
- Binary
- 100001110111011001
- Octal
- 416731
- Hexadecimal
- 0x21DD9
- Base64
- Ah3Z
- One's complement
- 4,294,828,582 (32-bit)
- Scientific notation
- 1.38713 × 10⁵
- As a duration
- 138,713 s = 1 day, 14 hours, 31 minutes, 53 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρληψιγʹ
- Mayan (base 20)
- 𝋱·𝋦·𝋯·𝋭
- Chinese
- 一十三萬八千七百一十三
- Chinese (financial)
- 壹拾參萬捌仟柒佰壹拾參
Also seen as
UTF-8 encoding: F0 A1 B7 99 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.29.217.
- Address
- 0.2.29.217
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.29.217
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 138,713 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 138713 first appears in π at position 231,781 of the decimal expansion (the 231,781ordinal-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.