138,464
138,464 is a composite number, even.
138,464 (one hundred thirty-eight thousand four hundred sixty-four) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2⁵ × 4,327. Written other ways, in hexadecimal, 0x21CE0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 2,304
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 464,831
- Recamán's sequence
- a(491,899) = 138,464
- Square (n²)
- 19,172,279,296
- Cube (n³)
- 2,654,670,480,441,344
- Divisor count
- 12
- σ(n) — sum of divisors
- 272,664
- φ(n) — Euler's totient
- 69,216
- Sum of prime factors
- 4,337
Primality
Prime factorization: 2 5 × 4327
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,464 = [372; (9, 3, 3, 7, 7, 11, 3, 4, 3, 2, 1, 7, 1, 1, 1, 43, 8, 15, 15, 1, 3, 3, 5, 1, …)]
Representations
- In words
- one hundred thirty-eight thousand four hundred sixty-four
- Ordinal
- 138464th
- Binary
- 100001110011100000
- Octal
- 416340
- Hexadecimal
- 0x21CE0
- Base64
- Ahzg
- One's complement
- 4,294,828,831 (32-bit)
- Scientific notation
- 1.38464 × 10⁵
- As a duration
- 138,464 s = 1 day, 14 hours, 27 minutes, 44 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρληυξδʹ
- Mayan (base 20)
- 𝋱·𝋦·𝋣·𝋤
- Chinese
- 一十三萬八千四百六十四
- Chinese (financial)
- 壹拾參萬捌仟肆佰陸拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138464, here are decompositions:
- 3 + 138461 = 138464
- 13 + 138451 = 138464
- 31 + 138433 = 138464
- 37 + 138427 = 138464
- 61 + 138403 = 138464
- 127 + 138337 = 138464
- 181 + 138283 = 138464
- 223 + 138241 = 138464
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 B3 A0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.28.224.
- Address
- 0.2.28.224
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.28.224
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 138,464 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 138464 first appears in π at position 241,866 of the decimal expansion (the 241,866ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.