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1,021,372

1,021,372 is a composite number, even.

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.).

1,021,372 (one million twenty-one thousand three hundred seventy-two) is an even 7-digit number. It is a composite number with 24 divisors, and factors as 2² × 11 × 139 × 167. Written other ways, in hexadecimal, 0xF95BC.

Arithmetic Number Cube-Free Deficient Number Happy Number Odious Number Pernicious Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
16
Digit product
0
Digital root
7
Palindrome
No
Bit width
20 bits
Reversed
2,731,201
Square (n²)
1,043,200,762,384
Cube (n³)
1,065,496,049,077,670,848
Divisor count
24
σ(n) — sum of divisors
1,975,680
φ(n) — Euler's totient
458,160
Sum of prime factors
321

Primality

Prime factorization: 2 2 × 11 × 139 × 167

Nearest primes: 1,021,369 (−3) · 1,021,373 (+1)

Divisors & multiples

All divisors (24)
1 · 2 · 4 · 11 · 22 · 44 · 139 · 167 · 278 · 334 · 556 · 668 · 1529 · 1837 · 3058 · 3674 · 6116 · 7348 · 23213 · 46426 · 92852 · 255343 · 510686 (half) · 1021372
Aliquot sum (sum of proper divisors): 954,308
Factor pairs (a × b = 1,021,372)
1 × 1021372
2 × 510686
4 × 255343
11 × 92852
22 × 46426
44 × 23213
139 × 7348
167 × 6116
278 × 3674
334 × 3058
556 × 1837
668 × 1529
First multiples
1,021,372 · 2,042,744 (double) · 3,064,116 · 4,085,488 · 5,106,860 · 6,128,232 · 7,149,604 · 8,170,976 · 9,192,348 · 10,213,720

Sums & aliquot sequence

As consecutive integers: 127,668 + 127,669 + … + 127,675 92,847 + 92,848 + … + 92,857 11,563 + 11,564 + … + 11,650 7,279 + 7,280 + … + 7,417
Aliquot sequence: 1,021,372 954,308 724,684 598,820 677,980 763,460 869,500 1,122,308 1,115,452 1,099,348 824,518 419,930 460,378 230,192 215,836 161,884 121,420 — unresolved within range

Continued fraction of √n

√1,021,372 = [1010; (1, 1, 1, 2, 3, 10, 1, 6, 1, 2, 1, 11, 3, 2, 5, 55, 1, 25, 3, 1, 2, 1, 2, 1, …)]

Representations

In words
one million twenty-one thousand three hundred seventy-two
Ordinal
1021372nd
Binary
11111001010110111100
Octal
3712674
Hexadecimal
0xF95BC
Base64
D5W8
One's complement
4,293,945,923 (32-bit)
Scientific notation
1.021372 × 10⁶
As a duration
1,021,372 s = 11 days, 19 hours, 42 minutes, 52 seconds
In other bases
ternary (3) 1220220001121
quaternary (4) 3321112330
quinary (5) 230140442
senary (6) 33520324
septenary (7) 11452522
nonary (9) 1826047
undecimal (11) 638410
duodecimal (12) 4130a4
tridecimal (13) 299b81
tetradecimal (14) 1c8312
pentadecimal (15) 152967

As an angle

1,021,372° = 2,837 × 360° + 52°
52° ≈ 0.908 rad
Compass bearing: NE (northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
Chinese
一百零二萬一千三百七十二
Chinese (financial)
壹佰零貳萬壹仟參佰柒拾貳
In other modern scripts
Eastern Arabic ١٠٢١٣٧٢ Devanagari १०२१३७२ Bengali ১০২১৩৭২ Tamil ௧௦௨௧௩௭௨ Thai ๑๐๒๑๓๗๒ Tibetan ༡༠༢༡༣༧༢ Khmer ១០២១៣៧២ Lao ໑໐໒໑໓໗໒ Burmese ၁၀၂၁၃၇၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1021372, here are decompositions:

  • 3 + 1021369 = 1021372
  • 5 + 1021367 = 1021372
  • 41 + 1021331 = 1021372
  • 71 + 1021301 = 1021372
  • 83 + 1021289 = 1021372
  • 89 + 1021283 = 1021372
  • 101 + 1021271 = 1021372
  • 113 + 1021259 = 1021372

Showing the first eight; more decompositions exist.

Hex color
#0F95BC
RGB(15, 149, 188)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.149.188.

Address
0.15.149.188
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.149.188

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

Possible date

Could be parsed as a date. Most likely interpretation: Thursday, January 2, 1372 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 1372-02-01 (DMMYYYY (Euro, single-digit day))
  • 1372-10-02 (MMDYYYY (US, single-digit day))
  • 1372-02-10 (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 1,021,372 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

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.