138,016
138,016 is a composite number, even.
138,016 (one hundred thirty-eight thousand sixteen) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2⁵ × 19 × 227. Its proper divisors sum to 149,264, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x21B20.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 610,831
- Recamán's sequence
- a(492,795) = 138,016
- Square (n²)
- 19,048,416,256
- Cube (n³)
- 2,628,986,217,988,096
- Divisor count
- 24
- σ(n) — sum of divisors
- 287,280
- φ(n) — Euler's totient
- 65,088
- Sum of prime factors
- 256
Primality
Prime factorization: 2 5 × 19 × 227
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,016 = [371; (1, 1, 49, 29, 1, 2, 2, 1, 48, 1, 5, 82, 2, 1, 1, 3, 5, 4, 2, 2, 1, 5, 1, 12, …)]
Representations
- In words
- one hundred thirty-eight thousand sixteen
- Ordinal
- 138016th
- Binary
- 100001101100100000
- Octal
- 415440
- Hexadecimal
- 0x21B20
- Base64
- Ahsg
- One's complement
- 4,294,829,279 (32-bit)
- Scientific notation
- 1.38016 × 10⁵
- As a duration
- 138,016 s = 1 day, 14 hours, 20 minutes, 16 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρληιϛʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋠·𝋰
- Chinese
- 一十三萬八千零一十六
- Chinese (financial)
- 壹拾參萬捌仟零壹拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138016, here are decompositions:
- 17 + 137999 = 138016
- 23 + 137993 = 138016
- 59 + 137957 = 138016
- 83 + 137933 = 138016
- 89 + 137927 = 138016
- 107 + 137909 = 138016
- 149 + 137867 = 138016
- 167 + 137849 = 138016
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 AC A0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.32.
- Address
- 0.2.27.32
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.32
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 138,016 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 138016 first appears in π at position 429,819 of the decimal expansion (the 429,819ordinal-suffix:th 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.