138,113
138,113 is a prime, odd.
138,113 (one hundred thirty-eight thousand one hundred thirteen) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x21B81.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 72
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 311,831
- Recamán's sequence
- a(492,601) = 138,113
- Square (n²)
- 19,075,200,769
- Cube (n³)
- 2,634,533,203,808,897
- Divisor count
- 2
- σ(n) — sum of divisors
- 138,114
- φ(n) — Euler's totient
- 138,112
Primality
138,113 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,113 = [371; (1, 1, 1, 2, 1, 9, 1, 2, 1, 6, 2, 8, 2, 23, 1, 1, 56, 1, 1, 1, 45, 1, 3, 1, …)]
Representations
- In words
- one hundred thirty-eight thousand one hundred thirteen
- Ordinal
- 138113th
- Binary
- 100001101110000001
- Octal
- 415601
- Hexadecimal
- 0x21B81
- Base64
- AhuB
- One's complement
- 4,294,829,182 (32-bit)
- Scientific notation
- 1.38113 × 10⁵
- As a duration
- 138,113 s = 1 day, 14 hours, 21 minutes, 53 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρληριγʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋥·𝋭
- Chinese
- 一十三萬八千一百一十三
- Chinese (financial)
- 壹拾參萬捌仟壹佰壹拾參
Also seen as
UTF-8 encoding: F0 A1 AE 81 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.129.
- Address
- 0.2.27.129
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.129
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 138,113 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.