138,982
138,982 is a composite number, even.
138,982 (one hundred thirty-eight thousand nine hundred eighty-two) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 69,491. Written other ways, in hexadecimal, 0x21EE6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 31
- Digit product
- 3,456
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 289,831
- Recamán's sequence
- a(490,863) = 138,982
- Square (n²)
- 19,315,996,324
- Cube (n³)
- 2,684,575,801,102,168
- Divisor count
- 4
- σ(n) — sum of divisors
- 208,476
- φ(n) — Euler's totient
- 69,490
- Sum of prime factors
- 69,493
Primality
Prime factorization: 2 × 69491
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,982 = [372; (1, 4, 13, 1, 1, 1, 1, 4, 1, 3, 5, 2, 1, 9, 2, 1, 1, 3, 8, 1, 4, 2, 1, 1, …)]
Representations
- In words
- one hundred thirty-eight thousand nine hundred eighty-two
- Ordinal
- 138982nd
- Binary
- 100001111011100110
- Octal
- 417346
- Hexadecimal
- 0x21EE6
- Base64
- Ah7m
- One's complement
- 4,294,828,313 (32-bit)
- Scientific notation
- 1.38982 × 10⁵
- As a duration
- 138,982 s = 1 day, 14 hours, 36 minutes, 22 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρληϡπβʹ
- Mayan (base 20)
- 𝋱·𝋧·𝋩·𝋢
- Chinese
- 一十三萬八千九百八十二
- Chinese (financial)
- 壹拾參萬捌仟玖佰捌拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138982, here are decompositions:
- 5 + 138977 = 138982
- 23 + 138959 = 138982
- 59 + 138923 = 138982
- 83 + 138899 = 138982
- 89 + 138893 = 138982
- 113 + 138869 = 138982
- 251 + 138731 = 138982
- 353 + 138629 = 138982
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 BB A6 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.30.230.
- Address
- 0.2.30.230
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.30.230
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 138,982 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 138982 first appears in π at position 248,316 of the decimal expansion (the 248,316ordinal-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.