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980,081

980,081 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.).

980,081 (nine hundred eighty thousand eighty-one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xEF471.

Arithmetic Number Chen Prime Cube-Free Deficient Number Evil Number Flippable Prime Pythagorean Prime Self Number Sophie Germain Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
26
Digit product
0
Digital root
8
Palindrome
No
Bit width
20 bits
Reversed
180,089
Flips to (rotate 180°)
180,086
Square (n²)
960,558,766,561
Cube (n³)
941,425,396,489,871,441
Divisor count
2
σ(n) — sum of divisors
980,082
φ(n) — Euler's totient
980,080

Primality

980,081 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 980081
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 980,081)
1 × 980081
First multiples
980,081 · 1,960,162 (double) · 2,940,243 · 3,920,324 · 4,900,405 · 5,880,486 · 6,860,567 · 7,840,648 · 8,820,729 · 9,800,810

Sums & aliquot sequence

As a sum of two squares: 616² + 775²
As consecutive integers: 490,040 + 490,041

Continued fraction of √n

√980,081 = [989; (1, 103, 4, 1, 3, 5, 4, 1, 1, 18, 1, 2, 35, 56, 1, 1, 5, 2, 1, 2, 3, 2, 2, 1, …)]

Representations

In words
nine hundred eighty thousand eighty-one
Ordinal
980081st
Binary
11101111010001110001
Octal
3572161
Hexadecimal
0xEF471
Base64
DvRx
One's complement
4,293,987,214 (32-bit)
Scientific notation
9.80081 × 10⁵
As a duration
980,081 s = 11 days, 8 hours, 14 minutes, 41 seconds
In other bases
ternary (3) 1211210102022
quaternary (4) 3233101301
quinary (5) 222330311
senary (6) 33001225
septenary (7) 11221244
nonary (9) 1753368
undecimal (11) 60a393
duodecimal (12) 3b3215
tridecimal (13) 28413b
tetradecimal (14) 1b725b
pentadecimal (15) 1455db

As an angle

980,081° = 2,722 × 360° + 161°
161° ≈ 2.81 rad
Compass bearing: SSE (south-southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵ϡππαʹ
Chinese
九十八萬零八十一
Chinese (financial)
玖拾捌萬零捌拾壹
In other modern scripts
Eastern Arabic ٩٨٠٠٨١ Devanagari ९८००८१ Bengali ৯৮০০৮১ Tamil ௯௮௦௦௮௧ Thai ๙๘๐๐๘๑ Tibetan ༩༨༠༠༨༡ Khmer ៩៨០០៨១ Lao ໙໘໐໐໘໑ Burmese ၉၈၀၀၈၁

Also seen as

Prime neighborhood

Adjacent primes:

Hex color
#0EF471
RGB(14, 244, 113)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.14.244.113.

Address
0.14.244.113
Class
reserved
IPv4-mapped IPv6
::ffff:0.14.244.113

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 980,081 and was likely granted around 1910.

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

Position in π

The digit sequence 980081 first appears in π at position 185,460 of the decimal expansion (the 185,460ordinal-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

  • 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.