165,340
165,340 is a composite number, even.
165,340 (one hundred sixty-five thousand three hundred forty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 5 × 7 × 1,181. Its proper divisors sum to 231,812, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x285DC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 43,561
- Square (n²)
- 27,337,315,600
- Cube (n³)
- 4,519,951,761,304,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 397,152
- φ(n) — Euler's totient
- 56,640
- Sum of prime factors
- 1,197
Primality
Prime factorization: 2 2 × 5 × 7 × 1181
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√165,340 = [406; (1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 2, 33, 1, 1, 9, 5, 1, 2, 1, 13, 22, 1, 1, …)]
Representations
- In words
- one hundred sixty-five thousand three hundred forty
- Ordinal
- 165340th
- Binary
- 101000010111011100
- Octal
- 502734
- Hexadecimal
- 0x285DC
- Base64
- AoXc
- One's complement
- 4,294,801,955 (32-bit)
- Scientific notation
- 1.6534 × 10⁵
- As a duration
- 165,340 s = 1 day, 21 hours, 55 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρξετμʹ
- Chinese
- 一十六萬五千三百四十
- Chinese (financial)
- 壹拾陸萬伍仟參佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 165340, here are decompositions:
- 23 + 165317 = 165340
- 29 + 165311 = 165340
- 47 + 165293 = 165340
- 53 + 165287 = 165340
- 107 + 165233 = 165340
- 137 + 165203 = 165340
- 167 + 165173 = 165340
- 179 + 165161 = 165340
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A8 97 9C (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.133.220.
- Address
- 0.2.133.220
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.133.220
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 165,340 and was likely granted around 1874.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 165340 first appears in π at position 842,421 of the decimal expansion (the 842,421ordinal-suffix:st 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°.