138,336
138,336 is a composite number, even.
138,336 (one hundred thirty-eight thousand three hundred thirty-six) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2⁵ × 3 × 11 × 131. Its proper divisors sum to 260,832, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x21C60.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 1,296
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 633,831
- Recamán's sequence
- a(492,155) = 138,336
- Square (n²)
- 19,136,848,896
- Cube (n³)
- 2,647,315,128,877,056
- Divisor count
- 48
- σ(n) — sum of divisors
- 399,168
- φ(n) — Euler's totient
- 41,600
- Sum of prime factors
- 155
Primality
Prime factorization: 2 5 × 3 × 11 × 131
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,336 = [371; (1, 14, 2, 185, 2, 14, 1, 742)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-eight thousand three hundred thirty-six
- Ordinal
- 138336th
- Binary
- 100001110001100000
- Octal
- 416140
- Hexadecimal
- 0x21C60
- Base64
- Ahxg
- One's complement
- 4,294,828,959 (32-bit)
- Scientific notation
- 1.38336 × 10⁵
- As a duration
- 138,336 s = 1 day, 14 hours, 25 minutes, 36 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλητλϛʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋰·𝋰
- Chinese
- 一十三萬八千三百三十六
- Chinese (financial)
- 壹拾參萬捌仟參佰參拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138336, here are decompositions:
- 13 + 138323 = 138336
- 17 + 138319 = 138336
- 47 + 138289 = 138336
- 53 + 138283 = 138336
- 89 + 138247 = 138336
- 97 + 138239 = 138336
- 127 + 138209 = 138336
- 139 + 138197 = 138336
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 B1 A0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.28.96.
- Address
- 0.2.28.96
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.28.96
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 138,336 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 138336 first appears in π at position 803,125 of the decimal expansion (the 803,125ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.