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997,727

997,727 is a prime, odd.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

997,727 (nine hundred ninety-seven thousand seven hundred twenty-seven) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF395F.

Arithmetic Number Chen Prime Cube-Free Deficient Number Emirp Evil Number Happy Number Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
41
Digit product
55,566
Digital root
5
Palindrome
No
Bit width
20 bits
Reversed
727,799
Square (n²)
995,459,166,529
Cube (n³)
993,196,487,843,479,583
Divisor count
2
σ(n) — sum of divisors
997,728
φ(n) — Euler's totient
997,726

Primality

997,727 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 997727
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 997,727)
1 × 997727
First multiples
997,727 · 1,995,454 (double) · 2,993,181 · 3,990,908 · 4,988,635 · 5,986,362 · 6,984,089 · 7,981,816 · 8,979,543 · 9,977,270

Sums & aliquot sequence

As consecutive integers: 498,863 + 498,864

Continued fraction of √n

√997,727 = [998; (1, 6, 3, 2, 3, 8, 1, 1, 4, 1, 2, 2, 1, 7, 1, 1, 4, 4, 1, 10, 1, 2, 1, 4, …)]

Representations

In words
nine hundred ninety-seven thousand seven hundred twenty-seven
Ordinal
997727th
Binary
11110011100101011111
Octal
3634537
Hexadecimal
0xF395F
Base64
Dzlf
One's complement
4,293,969,568 (32-bit)
Scientific notation
9.97727 × 10⁵
As a duration
997,727 s = 11 days, 13 hours, 8 minutes, 47 seconds
In other bases
ternary (3) 1212200121212
quaternary (4) 3303211133
quinary (5) 223411402
senary (6) 33215035
septenary (7) 11323553
nonary (9) 1780555
undecimal (11) 621675
duodecimal (12) 40147b
tridecimal (13) 28c193
tetradecimal (14) 1bd863
pentadecimal (15) 14a952

As an angle

997,727° = 2,771 × 360° + 167°
167° ≈ 2.915 rad
Compass bearing: SSE (south-southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ϡϟζψκζʹ
Chinese
九十九萬七千七百二十七
Chinese (financial)
玖拾玖萬柒仟柒佰貳拾柒
In other modern scripts
Eastern Arabic ٩٩٧٧٢٧ Devanagari ९९७७२७ Bengali ৯৯৭৭২৭ Tamil ௯௯௭௭௨௭ Thai ๙๙๗๗๒๗ Tibetan ༩༩༧༧༢༧ Khmer ៩៩៧៧២៧ Lao ໙໙໗໗໒໗ Burmese ၉၉၇၇၂၇

Also seen as

Prime neighborhood

Adjacent primes:

Hex color
#0F395F
RGB(15, 57, 95)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.57.95.

Address
0.15.57.95
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.57.95

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Possible US patent number

This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 997,727 and was likely granted around 1911.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Related reading

  • Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
  • Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.