139,264
139,264 is a composite number, even.
139,264 (one hundred thirty-nine thousand two hundred sixty-four) is an even 6-digit number. It is a composite number with 28 divisors, and factors as 2¹³ × 17. Its proper divisors sum to 155,630, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22000.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 1,296
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 462,931
- Recamán's sequence
- a(490,299) = 139,264
- Square (n²)
- 19,394,461,696
- Cube (n³)
- 2,700,950,313,631,744
- Divisor count
- 28
- σ(n) — sum of divisors
- 294,894
- φ(n) — Euler's totient
- 65,536
- Sum of prime factors
- 43
Primality
Prime factorization: 2 13 × 17
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,264 = [373; (5, 1, 1, 8, 1, 2, 49, 2, 2, 2, 1, 10, 1, 21, 1, 2, 2, 1, 3, 2, 1, 1, 1, 4, …)]
Representations
- In words
- one hundred thirty-nine thousand two hundred sixty-four
- Ordinal
- 139264th
- Binary
- 100010000000000000
- Octal
- 420000
- Hexadecimal
- 0x22000
- Base64
- AiAA
- One's complement
- 4,294,828,031 (32-bit)
- Scientific notation
- 1.39264 × 10⁵
- As a duration
- 139,264 s = 1 day, 14 hours, 41 minutes, 4 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλθσξδʹ
- Mayan (base 20)
- 𝋱·𝋨·𝋣·𝋤
- Chinese
- 一十三萬九千二百六十四
- Chinese (financial)
- 壹拾參萬玖仟貳佰陸拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 139264, here are decompositions:
- 23 + 139241 = 139264
- 131 + 139133 = 139264
- 173 + 139091 = 139264
- 197 + 139067 = 139264
- 347 + 138917 = 139264
- 401 + 138863 = 139264
- 443 + 138821 = 139264
- 467 + 138797 = 139264
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 80 80 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.32.0.
- Address
- 0.2.32.0
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.32.0
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 139,264 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 139264 first appears in π at position 370,711 of the decimal expansion (the 370,711ordinal-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.