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1,042,981

1,042,981 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.).

1,042,981 (one million forty-two thousand nine hundred eighty-one) is an odd 7-digit number. It is a composite number with 8 divisors, and factors as 23 × 137 × 331. Written other ways, in hexadecimal, 0xFEA25.

Arithmetic Number Cube-Free Deficient Number Evil Number Happy Number Sphenic Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
25
Digit product
0
Digital root
7
Palindrome
No
Bit width
20 bits
Reversed
1,892,401
Square (n²)
1,087,809,366,361
Cube (n³)
1,134,564,500,736,562,141
Divisor count
8
σ(n) — sum of divisors
1,099,584
φ(n) — Euler's totient
987,360
Sum of prime factors
491

Primality

Prime factorization: 23 × 137 × 331

Nearest primes: 1,042,961 (−20) · 1,042,997 (+16)

Divisors & multiples

All divisors (8)
1 · 23 · 137 · 331 · 3151 · 7613 · 45347 · 1042981
Aliquot sum (sum of proper divisors): 56,603
Factor pairs (a × b = 1,042,981)
1 × 1042981
23 × 45347
137 × 7613
331 × 3151
First multiples
1,042,981 · 2,085,962 (double) · 3,128,943 · 4,171,924 · 5,214,905 · 6,257,886 · 7,300,867 · 8,343,848 · 9,386,829 · 10,429,810

Sums & aliquot sequence

As consecutive integers: 521,490 + 521,491 45,336 + 45,337 + … + 45,358 22,651 + 22,652 + … + 22,696 7,545 + 7,546 + … + 7,681
Aliquot sequence: 1,042,981 56,603 3,121 1 0 — terminates at zero

Continued fraction of √n

√1,042,981 = [1021; (3, 1, 3, 1, 1, 2, 2, 1, 1, 2, 1, 8, 2, 1, 4, 12, 6, 19, 3, 2, 7, 1, 2, 12, …)]

Representations

In words
one million forty-two thousand nine hundred eighty-one
Ordinal
1042981st
Binary
11111110101000100101
Octal
3765045
Hexadecimal
0xFEA25
Base64
D+ol
One's complement
4,293,924,314 (32-bit)
Scientific notation
1.042981 × 10⁶
As a duration
1,042,981 s = 12 days, 1 hour, 43 minutes, 1 second
In other bases
ternary (3) 1221222200221
quaternary (4) 3332220211
quinary (5) 231333411
senary (6) 34204341
septenary (7) 11602522
nonary (9) 1858627
undecimal (11) 652675
duodecimal (12) 4236b1
tridecimal (13) 2a6964
tetradecimal (14) 1d2149
pentadecimal (15) 159071

As an angle

1,042,981° = 2,897 × 360° + 61°
61° ≈ 1.065 rad
Compass bearing: ENE (east-northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese
一百零四萬二千九百八十一
Chinese (financial)
壹佰零肆萬貳仟玖佰捌拾壹
In other modern scripts
Eastern Arabic ١٠٤٢٩٨١ Devanagari १०४२९८१ Bengali ১০৪২৯৮১ Tamil ௧௦௪௨௯௮௧ Thai ๑๐๔๒๙๘๑ Tibetan ༡༠༤༢༩༨༡ Khmer ១០៤២៩៨១ Lao ໑໐໔໒໙໘໑ Burmese ၁၀၄၂၉၈၁

Also seen as

Hex color
#0FEA25
RGB(15, 234, 37)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.234.37.

Address
0.15.234.37
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.234.37

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

Possible date

Could be parsed as a date. Most likely interpretation: Thursday, January 4, 2981 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2981-04-01 (DMMYYYY (Euro, single-digit day))
  • 2981-10-04 (MMDYYYY (US, single-digit day))
  • 2981-04-10 (DDMYYYY (Euro, single-digit month))
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 1,042,981 and was likely granted around 1912.

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

Related reading