165,066
165,066 is a composite number, even.
165,066 (one hundred sixty-five thousand sixty-six) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 3 × 11 × 41 × 61. Its proper divisors sum to 209,910, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x284CA.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 660,561
- Square (n²)
- 27,246,784,356
- Cube (n³)
- 4,497,517,706,507,496
- Divisor count
- 32
- σ(n) — sum of divisors
- 374,976
- φ(n) — Euler's totient
- 48,000
- Sum of prime factors
- 118
Primality
Prime factorization: 2 × 3 × 11 × 41 × 61
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√165,066 = [406; (3, 1, 1, 7, 2, 1, 1, 7, 3, 2, 2, 32, 10, 1, 18, 1, 10, 32, 2, 2, 3, 7, 1, 1, …)]
Period length 30 — the block in parentheses repeats forever.
Representations
- In words
- one hundred sixty-five thousand sixty-six
- Ordinal
- 165066th
- Binary
- 101000010011001010
- Octal
- 502312
- Hexadecimal
- 0x284CA
- Base64
- AoTK
- One's complement
- 4,294,802,229 (32-bit)
- Scientific notation
- 1.65066 × 10⁵
- As a duration
- 165,066 s = 1 day, 21 hours, 51 minutes, 6 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹 𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρξεξϛʹ
- Chinese
- 一十六萬五千零六十六
- Chinese (financial)
- 壹拾陸萬伍仟零陸拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 165066, here are decompositions:
- 7 + 165059 = 165066
- 17 + 165049 = 165066
- 19 + 165047 = 165066
- 29 + 165037 = 165066
- 67 + 164999 = 165066
- 79 + 164987 = 165066
- 103 + 164963 = 165066
- 113 + 164953 = 165066
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A8 93 8A (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.132.202.
- Address
- 0.2.132.202
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.132.202
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 165,066 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 165066 first appears in π at position 345,366 of the decimal expansion (the 345,366ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.