138,136
138,136 is a composite number, even.
138,136 (one hundred thirty-eight thousand one hundred thirty-six) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 31 × 557. Written other ways, in hexadecimal, 0x21B98.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 432
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 631,831
- Recamán's sequence
- a(492,555) = 138,136
- Square (n²)
- 19,081,554,496
- Cube (n³)
- 2,635,849,611,859,456
- Divisor count
- 16
- σ(n) — sum of divisors
- 267,840
- φ(n) — Euler's totient
- 66,720
- Sum of prime factors
- 594
Primality
Prime factorization: 2 3 × 31 × 557
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,136 = [371; (1, 1, 1, 742)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-eight thousand one hundred thirty-six
- Ordinal
- 138136th
- Binary
- 100001101110011000
- Octal
- 415630
- Hexadecimal
- 0x21B98
- Base64
- AhuY
- One's complement
- 4,294,829,159 (32-bit)
- Scientific notation
- 1.38136 × 10⁵
- As a duration
- 138,136 s = 1 day, 14 hours, 22 minutes, 16 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρληρλϛʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋦·𝋰
- Chinese
- 一十三萬八千一百三十六
- Chinese (financial)
- 壹拾參萬捌仟壹佰參拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138136, here are decompositions:
- 23 + 138113 = 138136
- 29 + 138107 = 138136
- 59 + 138077 = 138136
- 83 + 138053 = 138136
- 137 + 137999 = 138136
- 179 + 137957 = 138136
- 227 + 137909 = 138136
- 263 + 137873 = 138136
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 AE 98 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.152.
- Address
- 0.2.27.152
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.152
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 138,136 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 138136 first appears in π at position 745,608 of the decimal expansion (the 745,608ordinal-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.