Live analysis

998,001

998,001 is a composite number, 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.).

998,001 (nine hundred ninety-eight thousand one) is an odd 6-digit number. It is a composite number with 21 divisors, and factors as 3⁶ × 37². It is a perfect square (999²). Written other ways, in hexadecimal, 0xF3A71.

Arithmetic Number Deficient Number Evil Number Flippable Frugal Number Harshad / Niven Perfect Square Powerful Number

Interestingness

★ ★ ★ ★ ☆

6 notable facts · grade B

997,989 997,990 997,991 997,992 997,993 997,994 997,995 997,996 997,997 997,998 997,999 998,000 998,001 998,002 998,003 998,004 998,005 998,006 998,007 998,008 998,009 998,010 998,011 998,012 998,013

less more

Properties

Parity: Odd
Digit count: 6
Digit sum: 27
Digit product: 0
Digital root: 9
Palindrome: No
Bit width: 20 bits
Reversed: 100,899
Flips to (rotate 180°): 100,866
Square (n²): 996,005,996,001
Cube (n³): 994,014,980,014,994,001
Square root (√n): 999
Divisor count: 21
σ(n) — sum of divisors: 1,537,851
φ(n) — Euler's totient: 647,352
Sum of prime factors: 92

Primality

Prime factorization: 3 ⁶ × 37 ²

Nearest primes: 997,991 (−10) · 998,009 (+8)

Divisors & multiples

All divisors (21)

1 · 3 · 9 · 27 · 37 · 81 · 111 · 243 · 333 · 729 · 999 · 1369 · 2997 · 4107 · 8991 · 12321 · 26973 · 36963 · 110889 · 332667 · 998001

Aliquot sum (sum of proper divisors): 539,850

Factor pairs (a × b = 998,001)

1 × 998001

3 × 332667

9 × 110889

27 × 36963

37 × 26973

81 × 12321

111 × 8991

243 × 4107

333 × 2997

729 × 1369

999 × 999

First multiples

998,001 · 1,996,002 (double) · 2,994,003 · 3,992,004 · 4,990,005 · 5,988,006 · 6,986,007 · 7,984,008 · 8,982,009 · 9,980,010

Sums & aliquot sequence

As a sum of two squares: 0² + 999² = 324² + 945²

As consecutive integers: 499,000 + 499,001 332,666 + 332,667 + 332,668 166,331 + 166,332 + 166,333 + 166,334 + 166,335 + 166,336 110,885 + 110,886 + … + 110,893

Aliquot sequence: 998,001 → 539,850 → 843,990 → 1,471,530 → 2,092,758 → 2,172,378 → 2,506,758 → 2,506,770 → 5,310,702 → 6,195,858 → 6,195,870 → 10,298,322 → 12,227,454 → 16,751,106 → 19,542,996 → 37,538,028 → 65,977,020 — unresolved within range

Representations

In words: nine hundred ninety-eight thousand one
Ordinal: 998001st
Binary: 11110011101001110001
Octal: 3635161
Hexadecimal: 0xF3A71
Base64: Dzpx
One's complement: 4,293,969,294 (32-bit)
Scientific notation: 9.98001 × 10⁵
As a duration: 998,001 s = 11 days, 13 hours, 13 minutes, 21 seconds

In other bases

ternary (3) 1212201000000

quaternary (4) 3303221301

quinary (5) 223414001

senary (6) 33220213

septenary (7) 11324424

nonary (9) 1781000

undecimal (11) 6218a4

duodecimal (12) 401669

tridecimal (13) 28c344

tetradecimal (14) 1bd9bb

pentadecimal (15) 14aa86

As an angle

998,001° = 2,772 × 360° + 81°

81° ≈ 1.414 rad

Compass bearing: E (east)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓏺
Greek (Milesian): ͵ϡϟηαʹ
Chinese: 九十九萬八千零一
Chinese (financial): 玖拾玖萬捌仟零壹

In other modern scripts

Eastern Arabic ٩٩٨٠٠١ Devanagari ९९८००१ Bengali ৯৯৮০০১ Tamil ௯௯௮௦௦௧ Thai ๙๙๘๐๐๑ Tibetan ༩༩༨༠༠༡ Khmer ៩៩៨០០១ Lao ໙໙໘໐໐໑ Burmese ၉၉၈၀၀၁

Also seen as

Hex color

#0F3A71

RGB(15, 58, 113)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.58.113.

Address: 0.15.58.113
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.58.113

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 998,001 and was likely granted around 1911.

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

Look up US998,001 on Google Patents ↗ Look up on USPTO ↗