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987,001

987,001 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.).

987,001 (nine hundred eighty-seven thousand one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 461 × 2,141. Written other ways, in hexadecimal, 0xF0F79.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
25
Digit product
0
Digital root
7
Palindrome
No
Bit width
20 bits
Reversed
100,789
Square (n²)
974,170,974,001
Cube (n³)
961,507,725,509,961,001
Divisor count
4
σ(n) — sum of divisors
989,604
φ(n) — Euler's totient
984,400
Sum of prime factors
2,602

Primality

Prime factorization: 461 × 2141

Nearest primes: 986,989 (−12) · 987,013 (+12)

Divisors & multiples

All divisors (4)
1 · 461 · 2141 · 987001
Aliquot sum (sum of proper divisors): 2,603
Factor pairs (a × b = 987,001)
1 × 987001
461 × 2141
First multiples
987,001 · 1,974,002 (double) · 2,961,003 · 3,948,004 · 4,935,005 · 5,922,006 · 6,909,007 · 7,896,008 · 8,883,009 · 9,870,010

Sums & aliquot sequence

As a sum of two squares: 365² + 924² = 555² + 824²
As consecutive integers: 493,500 + 493,501 1,911 + 1,912 + … + 2,371 610 + 611 + … + 1,531
Aliquot sequence: 987,001 2,603 157 1 0 — terminates at zero

Continued fraction of √n

√987,001 = [993; (2, 11, 1, 1, 5, 2, 2, 3, 2, 4, 1, 1, 1, 4, 1, 1, 1, 3, 2, 3, 3, 3, 4, 4, …)]

Representations

In words
nine hundred eighty-seven thousand one
Ordinal
987001st
Binary
11110000111101111001
Octal
3607571
Hexadecimal
0xF0F79
Base64
Dw95
One's complement
4,293,980,294 (32-bit)
Scientific notation
9.87001 × 10⁵
As a duration
987,001 s = 11 days, 10 hours, 10 minutes, 1 second
In other bases
ternary (3) 1212010220121
quaternary (4) 3300331321
quinary (5) 223041001
senary (6) 33053241
septenary (7) 11250361
nonary (9) 1763817
undecimal (11) 614604
duodecimal (12) 3b7221
tridecimal (13) 287332
tetradecimal (14) 1b99a1
pentadecimal (15) 1476a1

As an angle

987,001° = 2,741 × 360° + 241°
241° ≈ 4.206 rad
Compass bearing: WSW (west-southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋 𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓏺
Greek (Milesian)
͵ϡπζαʹ
Chinese
九十八萬七千零一
Chinese (financial)
玖拾捌萬柒仟零壹
In other modern scripts
Eastern Arabic ٩٨٧٠٠١ Devanagari ९८७००१ Bengali ৯৮৭০০১ Tamil ௯௮௭௦௦௧ Thai ๙๘๗๐๐๑ Tibetan ༩༨༧༠༠༡ Khmer ៩៨៧០០១ Lao ໙໘໗໐໐໑ Burmese ၉၈၇၀၀၁

Also seen as

Hex color
#0F0F79
RGB(15, 15, 121)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.15.121.

Address
0.15.15.121
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.15.121

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 987,001 and was likely granted around 1911.

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

Related reading