139,004
139,004 is a composite number, even.
139,004 (one hundred thirty-nine thousand four) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 19 × 31 × 59. Written other ways, in hexadecimal, 0x21EFC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 400,931
- Recamán's sequence
- a(490,819) = 139,004
- Square (n²)
- 19,322,112,016
- Cube (n³)
- 2,685,850,858,672,064
- Divisor count
- 24
- σ(n) — sum of divisors
- 268,800
- φ(n) — Euler's totient
- 62,640
- Sum of prime factors
- 113
Primality
Prime factorization: 2 2 × 19 × 31 × 59
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,004 = [372; (1, 4, 1, 28, 1, 148, 6, 148, 1, 28, 1, 4, 1, 744)]
Period length 14 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-nine thousand four
- Ordinal
- 139004th
- Binary
- 100001111011111100
- Octal
- 417374
- Hexadecimal
- 0x21EFC
- Base64
- Ah78
- One's complement
- 4,294,828,291 (32-bit)
- Scientific notation
- 1.39004 × 10⁵
- As a duration
- 139,004 s = 1 day, 14 hours, 36 minutes, 44 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλθδʹ
- Mayan (base 20)
- 𝋱·𝋧·𝋪·𝋤
- Chinese
- 一十三萬九千零四
- Chinese (financial)
- 壹拾參萬玖仟零肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 139004, here are decompositions:
- 37 + 138967 = 139004
- 67 + 138937 = 139004
- 163 + 138841 = 139004
- 211 + 138793 = 139004
- 241 + 138763 = 139004
- 277 + 138727 = 139004
- 367 + 138637 = 139004
- 433 + 138571 = 139004
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 BB BC (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.30.252.
- Address
- 0.2.30.252
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.30.252
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 139,004 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 139004 first appears in π at position 823,639 of the decimal expansion (the 823,639ordinal-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.