139,422
139,422 is a composite number, even.
139,422 (one hundred thirty-nine thousand four hundred twenty-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 3 × 19 × 1,223. Its proper divisors sum to 154,338, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2209E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 432
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 224,931
- Recamán's sequence
- a(489,983) = 139,422
- Square (n²)
- 19,438,494,084
- Cube (n³)
- 2,710,153,722,179,448
- Divisor count
- 16
- σ(n) — sum of divisors
- 293,760
- φ(n) — Euler's totient
- 43,992
- Sum of prime factors
- 1,247
Primality
Prime factorization: 2 × 3 × 19 × 1223
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,422 = [373; (2, 1, 1, 4, 1, 3, 2, 1, 1, 16, 1, 3, 2, 9, 1, 3, 1, 2, 10, 6, 4, 3, 4, 124, …)]
Period length 48 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-nine thousand four hundred twenty-two
- Ordinal
- 139422nd
- Binary
- 100010000010011110
- Octal
- 420236
- Hexadecimal
- 0x2209E
- Base64
- AiCe
- One's complement
- 4,294,827,873 (32-bit)
- Scientific notation
- 1.39422 × 10⁵
- As a duration
- 139,422 s = 1 day, 14 hours, 43 minutes, 42 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλθυκβʹ
- Mayan (base 20)
- 𝋱·𝋨·𝋫·𝋢
- Chinese
- 一十三萬九千四百二十二
- Chinese (financial)
- 壹拾參萬玖仟肆佰貳拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 139422, here are decompositions:
- 13 + 139409 = 139422
- 29 + 139393 = 139422
- 53 + 139369 = 139422
- 61 + 139361 = 139422
- 79 + 139343 = 139422
- 83 + 139339 = 139422
- 89 + 139333 = 139422
- 109 + 139313 = 139422
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 82 9E (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.32.158.
- Address
- 0.2.32.158
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.32.158
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 139,422 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 139422 first appears in π at position 365,033 of the decimal expansion (the 365,033ordinal-suffix:rd 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.