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1,057,421

1,057,421 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.).

1,057,421 (one million fifty-seven thousand four 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, 0x10228D.

Arithmetic Number Chen Prime Cube-Free Deficient Number Emirp Odious Number Pernicious Number Prime Pythagorean Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
20
Digit product
0
Digital root
2
Palindrome
No
Bit width
21 bits
Reversed
1,247,501
Square (n²)
1,118,139,171,241
Cube (n³)
1,182,343,840,592,829,461
Divisor count
2
σ(n) — sum of divisors
1,057,422
φ(n) — Euler's totient
1,057,420

Primality

1,057,421 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1057421
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,057,421)
1 × 1057421
First multiples
1,057,421 · 2,114,842 (double) · 3,172,263 · 4,229,684 · 5,287,105 · 6,344,526 · 7,401,947 · 8,459,368 · 9,516,789 · 10,574,210

Sums & aliquot sequence

As a sum of two squares: 586² + 845²
As consecutive integers: 528,710 + 528,711

Continued fraction of √n

√1,057,421 = [1028; (3, 4, 2, 1, 1, 1, 1, 6, 7, 1, 3, 6, 1, 3, 1, 1, 1, 11, 1, 8, 1, 4, 1, 3, …)]

Representations

In words
one million fifty-seven thousand four hundred twenty-one
Ordinal
1057421st
Binary
100000010001010001101
Octal
4021215
Hexadecimal
0x10228D
Base64
ECKN
One's complement
4,293,909,874 (32-bit)
Scientific notation
1.057421 × 10⁶
As a duration
1,057,421 s = 12 days, 5 hours, 43 minutes, 41 seconds
In other bases
ternary (3) 1222201111202
quaternary (4) 10002022031
quinary (5) 232314141
senary (6) 34355245
septenary (7) 11662601
nonary (9) 1881452
undecimal (11) 662502
duodecimal (12) 42bb25
tridecimal (13) 2b03c1
tetradecimal (14) 1d7501
pentadecimal (15) 15d49b

As an angle

1,057,421° = 2,937 × 360° + 101°
101° ≈ 1.763 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Chinese
一百零五萬七千四百二十一
Chinese (financial)
壹佰零伍萬柒仟肆佰貳拾壹
In other modern scripts
Eastern Arabic ١٠٥٧٤٢١ Devanagari १०५७४२१ Bengali ১০৫৭৪২১ Tamil ௧௦௫௭௪௨௧ Thai ๑๐๕๗๔๒๑ Tibetan ༡༠༥༧༤༢༡ Khmer ១០៥៧៤២១ Lao ໑໐໕໗໔໒໑ Burmese ၁၀၅၇၄၂၁

Also seen as

Prime neighborhood

Adjacent primes:

Hex color
#10228D
RGB(16, 34, 141)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.16.34.141.

Address
0.16.34.141
Class
reserved
IPv4-mapped IPv6
::ffff:0.16.34.141

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

Possible date

Could be parsed as a date. Most likely interpretation: Friday, January 5, 7421 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 7421-05-01 (DMMYYYY (Euro, single-digit day))
  • 7421-10-05 (MMDYYYY (US, single-digit day))
  • 7421-05-10 (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 1,057,421 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.