Live analysis

501,121

501,121 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.).

501,121 (five hundred one thousand one hundred twenty-one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x7A581.

Arithmetic Number Cube-Free Deficient Number Happy Number Odious Number Prime Pythagorean Prime Squarefree

Interestingness

★ ★ ★ ★ ☆

6 notable facts · grade B

501,109 501,110 501,111 501,112 501,113 501,114 501,115 501,116 501,117 501,118 501,119 501,120 501,121 501,122 501,123 501,124 501,125 501,126 501,127 501,128 501,129 501,130 501,131 501,132 501,133

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Properties

Parity: Odd
Digit count: 6
Digit sum: 10
Digit product: 0
Digital root: 1
Palindrome: No
Bit width: 19 bits
Reversed: 121,105
Square (n²): 251,122,256,641
Cube (n³): 125,842,636,370,194,561
Divisor count: 2
σ(n) — sum of divisors: 501,122
φ(n) — Euler's totient: 501,120

Primality

501,121 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 501121

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 501,121)

1 × 501121

First multiples

501,121 · 1,002,242 (double) · 1,503,363 · 2,004,484 · 2,505,605 · 3,006,726 · 3,507,847 · 4,008,968 · 4,510,089 · 5,011,210

Sums & aliquot sequence

As a sum of two squares: 64² + 705²

As consecutive integers: 250,560 + 250,561

Continued fraction of √n

√501,121 = [707; (1, 8, 1, 9, 7, 11, 1, 1, 1, 11, 2, 3, 1, 13, 1, 1, 9, 1, 4, 2, 5, 2, 4, 12, …)]

Representations

In words: five hundred one thousand one hundred twenty-one
Ordinal: 501121st
Binary: 1111010010110000001
Octal: 1722601
Hexadecimal: 0x7A581
Base64: B6WB
One's complement: 4,294,466,174 (32-bit)
Scientific notation: 5.01121 × 10⁵
As a duration: 501,121 s = 5 days, 19 hours, 12 minutes, 1 second

In other bases

ternary (3) 221110102001

quaternary (4) 1322112001

quinary (5) 112013441

senary (6) 14424001

septenary (7) 4154665

nonary (9) 843361

undecimal (11) 312555

duodecimal (12) 202001

tridecimal (13) 14712a

tetradecimal (14) d08a5

pentadecimal (15) 9d731

As an angle

501,121° = 1,392 × 360° + 1°

1° ≈ 0.017 rad

Compass bearing: N (north)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹 𒁹
Egyptian hieroglyphic: 𓆐𓆐𓆐𓆐𓆐𓆼𓍢𓎆𓎆𓏺
Greek (Milesian): ͵φαρκαʹ
Chinese: 五十萬一千一百二十一
Chinese (financial): 伍拾萬壹仟壹佰貳拾壹

In other modern scripts

Eastern Arabic ٥٠١١٢١ Devanagari ५०११२१ Bengali ৫০১১২১ Tamil ௫௦௧௧௨௧ Thai ๕๐๑๑๒๑ Tibetan ༥༠༡༡༢༡ Khmer ៥០១១២១ Lao ໕໐໑໑໒໑ Burmese ၅၀၁၁၂၁

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 501,103 (gap of 18)
Next prime: 501,131 (gap of 10)

Hex color

#07A581

RGB(7, 165, 129)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.7.165.129.

Address: 0.7.165.129
Class: reserved
IPv4-mapped IPv6: ::ffff:0.7.165.129

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 501,121 and was likely granted around 1893.

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

Look up US501,121 on Google Patents ↗ Look up on USPTO ↗