139,984
139,984 is a composite number, even.
139,984 (one hundred thirty-nine thousand nine hundred eighty-four) is an even 6-digit number. It is a composite number with 20 divisors, and factors as 2⁴ × 13 × 673. Its proper divisors sum to 152,532, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x222D0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 34
- Digit product
- 7,776
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 489,931
- Recamán's sequence
- a(488,859) = 139,984
- Square (n²)
- 19,595,520,256
- Cube (n³)
- 2,743,059,307,515,904
- Divisor count
- 20
- σ(n) — sum of divisors
- 292,516
- φ(n) — Euler's totient
- 64,512
- Sum of prime factors
- 694
Primality
Prime factorization: 2 4 × 13 × 673
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,984 = [374; (6, 1, 12, 1, 2, 1, 31, 1, 3, 1, 2, 1, 3, 1, 31, 1, 2, 1, 12, 1, 6, 748)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-nine thousand nine hundred eighty-four
- Ordinal
- 139984th
- Binary
- 100010001011010000
- Octal
- 421320
- Hexadecimal
- 0x222D0
- Base64
- AiLQ
- One's complement
- 4,294,827,311 (32-bit)
- Scientific notation
- 1.39984 × 10⁵
- As a duration
- 139,984 s = 1 day, 14 hours, 53 minutes, 4 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλθϡπδʹ
- Mayan (base 20)
- 𝋱·𝋩·𝋳·𝋤
- Chinese
- 一十三萬九千九百八十四
- Chinese (financial)
- 壹拾參萬玖仟玖佰捌拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 139984, here are decompositions:
- 3 + 139981 = 139984
- 17 + 139967 = 139984
- 41 + 139943 = 139984
- 83 + 139901 = 139984
- 101 + 139883 = 139984
- 113 + 139871 = 139984
- 197 + 139787 = 139984
- 263 + 139721 = 139984
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 8B 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.34.208.
- Address
- 0.2.34.208
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.34.208
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 139,984 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 139984 first appears in π at position 492,829 of the decimal expansion (the 492,829ordinal-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.