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1,024,921

1,024,921 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.).

1,024,921 (one million twenty-four thousand nine hundred twenty-one) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xFA399.

Arithmetic Number Centered Hexagonal Chen Prime Cuban Prime Cube-Free Deficient Number Emirp Evil Number Prime Pythagorean Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
19
Digit product
0
Digital root
1
Palindrome
No
Bit width
20 bits
Reversed
1,294,201
Square (n²)
1,050,463,056,241
Cube (n³)
1,076,641,646,065,581,961
Divisor count
2
σ(n) — sum of divisors
1,024,922
φ(n) — Euler's totient
1,024,920

Primality

1,024,921 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1024921
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,024,921)
1 × 1024921
First multiples
1,024,921 · 2,049,842 (double) · 3,074,763 · 4,099,684 · 5,124,605 · 6,149,526 · 7,174,447 · 8,199,368 · 9,224,289 · 10,249,210

Sums & aliquot sequence

As a sum of two squares: 336² + 955²
As consecutive integers: 512,460 + 512,461

Continued fraction of √n

√1,024,921 = [1012; (2, 1, 1, 1, 1, 6, 1, 4, 1, 5, 17, 1, 2, 1, 18, 1, 1, 6, 3, 1, 6, 2, 1, 8, …)]

Representations

In words
one million twenty-four thousand nine hundred twenty-one
Ordinal
1024921st
Binary
11111010001110011001
Octal
3721631
Hexadecimal
0xFA399
Base64
D6OZ
One's complement
4,293,942,374 (32-bit)
Scientific notation
1.024921 × 10⁶
As a duration
1,024,921 s = 11 days, 20 hours, 42 minutes, 1 second
In other bases
ternary (3) 1221001221001
quaternary (4) 3322032121
quinary (5) 230244141
senary (6) 33545001
septenary (7) 11466052
nonary (9) 1831831
undecimal (11) 640047
duodecimal (12) 415161
tridecimal (13) 29b681
tetradecimal (14) 1c9729
pentadecimal (15) 153a31

As an angle

1,024,921° = 2,847 × 360° + 1°
1° ≈ 0.017 rad
Compass bearing: N (north)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Chinese
一百零二萬四千九百二十一
Chinese (financial)
壹佰零貳萬肆仟玖佰貳拾壹
In other modern scripts
Eastern Arabic ١٠٢٤٩٢١ Devanagari १०२४९२१ Bengali ১০২৪৯২১ Tamil ௧௦௨௪௯௨௧ Thai ๑๐๒๔๙๒๑ Tibetan ༡༠༢༤༩༢༡ Khmer ១០២៤៩២១ Lao ໑໐໒໔໙໒໑ Burmese ၁၀၂၄၉၂၁

Also seen as

Prime neighborhood

Adjacent primes:

Hex color
#0FA399
RGB(15, 163, 153)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.163.153.

Address
0.15.163.153
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.163.153

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

Possible date

Could be parsed as a date. Most likely interpretation: Thursday, January 2, 4921 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 4921-02-01 (DMMYYYY (Euro, single-digit day))
  • 4921-10-02 (MMDYYYY (US, single-digit day))
  • 4921-02-10 (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 1,024,921 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

  • 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.