139,046
139,046 is a composite number, even.
139,046 (one hundred thirty-nine thousand forty-six) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 37 × 1,879. Written other ways, in hexadecimal, 0x21F26.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 640,931
- Recamán's sequence
- a(490,735) = 139,046
- Square (n²)
- 19,333,790,116
- Cube (n³)
- 2,688,286,180,469,336
- Divisor count
- 8
- σ(n) — sum of divisors
- 214,320
- φ(n) — Euler's totient
- 67,608
- Sum of prime factors
- 1,918
Primality
Prime factorization: 2 × 37 × 1879
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,046 = [372; (1, 7, 1, 73, 1, 2, 4, 1, 2, 29, 2, 9, 1, 2, 1, 1, 1, 2, 2, 1, 7, 6, 1, 5, …)]
Representations
- In words
- one hundred thirty-nine thousand forty-six
- Ordinal
- 139046th
- Binary
- 100001111100100110
- Octal
- 417446
- Hexadecimal
- 0x21F26
- Base64
- Ah8m
- One's complement
- 4,294,828,249 (32-bit)
- Scientific notation
- 1.39046 × 10⁵
- As a duration
- 139,046 s = 1 day, 14 hours, 37 minutes, 26 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλθμϛʹ
- Mayan (base 20)
- 𝋱·𝋧·𝋬·𝋦
- Chinese
- 一十三萬九千零四十六
- Chinese (financial)
- 壹拾參萬玖仟零肆拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 139046, here are decompositions:
- 13 + 139033 = 139046
- 79 + 138967 = 139046
- 109 + 138937 = 139046
- 157 + 138889 = 139046
- 163 + 138883 = 139046
- 283 + 138763 = 139046
- 307 + 138739 = 139046
- 367 + 138679 = 139046
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 BC A6 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.31.38.
- Address
- 0.2.31.38
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.31.38
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 139,046 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 139046 first appears in π at position 324,514 of the decimal expansion (the 324,514ordinal-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.