173,172
173,172 is a composite number, even.
173,172 (one hundred seventy-three thousand one hundred seventy-two) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 3 × 14,431. Its proper divisors sum to 230,924, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2A474.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 294
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 271,371
- Square (n²)
- 29,988,541,584
- Cube (n³)
- 5,193,175,723,184,448
- Divisor count
- 12
- σ(n) — sum of divisors
- 404,096
- φ(n) — Euler's totient
- 57,720
- Sum of prime factors
- 14,438
Primality
Prime factorization: 2 2 × 3 × 14431
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√173,172 = [416; (7, 5, 1, 3, 6, 10, 1, 3, 1, 3, 1, 4, 21, 7, 1, 1, 2, 3, 17, 22, 2, 3, 2, 2, …)]
Representations
- In words
- one hundred seventy-three thousand one hundred seventy-two
- Ordinal
- 173172nd
- Binary
- 101010010001110100
- Octal
- 522164
- Hexadecimal
- 0x2A474
- Base64
- AqR0
- One's complement
- 4,294,794,123 (32-bit)
- Scientific notation
- 1.73172 × 10⁵
- As a duration
- 173,172 s = 2 days, 6 minutes, 12 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρογροβʹ
- Chinese
- 一十七萬三千一百七十二
- Chinese (financial)
- 壹拾柒萬參仟壹佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 173172, here are decompositions:
- 23 + 173149 = 173172
- 31 + 173141 = 173172
- 73 + 173099 = 173172
- 113 + 173059 = 173172
- 149 + 173023 = 173172
- 151 + 173021 = 173172
- 173 + 172999 = 173172
- 179 + 172993 = 173172
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 AA 91 B4 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.164.116.
- Address
- 0.2.164.116
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.164.116
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 173,172 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 173172 first appears in π at position 49,183 of the decimal expansion (the 49,183ordinal-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°.