170,742
170,742 is a composite number, even.
170,742 (one hundred seventy thousand seven hundred forty-two) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 3 × 11 × 13 × 199. Its proper divisors sum to 232,458, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x29AF6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 247,071
- Recamán's sequence
- a(469,803) = 170,742
- Square (n²)
- 29,152,830,564
- Cube (n³)
- 4,977,612,596,158,488
- Divisor count
- 32
- σ(n) — sum of divisors
- 403,200
- φ(n) — Euler's totient
- 47,520
- Sum of prime factors
- 228
Primality
Prime factorization: 2 × 3 × 11 × 13 × 199
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√170,742 = [413; (4, 1, 3, 2, 5, 1, 2, 1, 1, 1, 3, 1, 7, 2, 1, 1, 20, 1, 1, 2, 7, 1, 3, 1, …)]
Period length 34 — the block in parentheses repeats forever.
Representations
- In words
- one hundred seventy thousand seven hundred forty-two
- Ordinal
- 170742nd
- Binary
- 101001101011110110
- Octal
- 515366
- Hexadecimal
- 0x29AF6
- Base64
- Apr2
- One's complement
- 4,294,796,553 (32-bit)
- Scientific notation
- 1.70742 × 10⁵
- As a duration
- 170,742 s = 1 day, 23 hours, 25 minutes, 42 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ροψμβʹ
- Chinese
- 一十七萬零七百四十二
- Chinese (financial)
- 壹拾柒萬零柒佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 170742, here are decompositions:
- 31 + 170711 = 170742
- 41 + 170701 = 170742
- 53 + 170689 = 170742
- 73 + 170669 = 170742
- 101 + 170641 = 170742
- 109 + 170633 = 170742
- 139 + 170603 = 170742
- 163 + 170579 = 170742
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A9 AB B6 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.154.246.
- Address
- 0.2.154.246
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.154.246
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 170,742 and was likely granted around 1874.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.