139,136
139,136 is a composite number, even.
139,136 (one hundred thirty-nine thousand one hundred thirty-six) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2⁷ × 1,087. Written other ways, in hexadecimal, 0x21F80.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 486
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 631,931
- Recamán's sequence
- a(490,555) = 139,136
- Square (n²)
- 19,358,826,496
- Cube (n³)
- 2,693,509,683,347,456
- Divisor count
- 16
- σ(n) — sum of divisors
- 277,440
- φ(n) — Euler's totient
- 69,504
- Sum of prime factors
- 1,101
Primality
Prime factorization: 2 7 × 1087
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,136 = [373; (106, 1, 1, 2, 1, 14, 1, 1, 23, 1, 1, 4, 1, 1, 1, 2, 1, 3, 1, 4, 1, 1, 1, 10, …)]
Period length 52 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-nine thousand one hundred thirty-six
- Ordinal
- 139136th
- Binary
- 100001111110000000
- Octal
- 417600
- Hexadecimal
- 0x21F80
- Base64
- Ah+A
- One's complement
- 4,294,828,159 (32-bit)
- Scientific notation
- 1.39136 × 10⁵
- As a duration
- 139,136 s = 1 day, 14 hours, 38 minutes, 56 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλθρλϛʹ
- Mayan (base 20)
- 𝋱·𝋧·𝋰·𝋰
- Chinese
- 一十三萬九千一百三十六
- Chinese (financial)
- 壹拾參萬玖仟壹佰參拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 139136, here are decompositions:
- 3 + 139133 = 139136
- 13 + 139123 = 139136
- 103 + 139033 = 139136
- 199 + 138937 = 139136
- 307 + 138829 = 139136
- 337 + 138799 = 139136
- 373 + 138763 = 139136
- 397 + 138739 = 139136
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 BE 80 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.31.128.
- Address
- 0.2.31.128
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.31.128
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 139,136 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 139136 first appears in π at position 818,544 of the decimal expansion (the 818,544ordinal-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.