137,387
137,387 is a prime, odd.
137,387 (one hundred thirty-seven thousand three hundred eighty-seven) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x218AB.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 29
- Digit product
- 3,528
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 783,731
- Recamán's sequence
- a(37,578) = 137,387
- Square (n²)
- 18,875,187,769
- Cube (n³)
- 2,593,205,422,019,603
- Divisor count
- 2
- σ(n) — sum of divisors
- 137,388
- φ(n) — Euler's totient
- 137,386
Primality
137,387 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√137,387 = [370; (1, 1, 1, 11, 2, 17, 1, 1, 1, 1, 27, 1, 10, 10, 15, 1, 2, 15, 1, 3, 2, 4, 3, 1, …)]
Representations
- In words
- one hundred thirty-seven thousand three hundred eighty-seven
- Ordinal
- 137387th
- Binary
- 100001100010101011
- Octal
- 414253
- Hexadecimal
- 0x218AB
- Base64
- Ahir
- One's complement
- 4,294,829,908 (32-bit)
- Scientific notation
- 1.37387 × 10⁵
- As a duration
- 137,387 s = 1 day, 14 hours, 9 minutes, 47 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλζτπζʹ
- Mayan (base 20)
- 𝋱·𝋣·𝋩·𝋧
- Chinese
- 一十三萬七千三百八十七
- Chinese (financial)
- 壹拾參萬柒仟參佰捌拾柒
Also seen as
UTF-8 encoding: F0 A1 A2 AB (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.24.171.
- Address
- 0.2.24.171
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.24.171
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 137,387 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
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.