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513,221

513,221 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.).

513,221 (five hundred thirteen thousand two hundred twenty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 199 × 2,579. Written other ways, in hexadecimal, 0x7D4C5.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
14
Digit product
60
Digital root
5
Palindrome
No
Bit width
19 bits
Reversed
122,315
Square (n²)
263,395,794,841
Cube (n³)
135,180,253,224,092,861
Divisor count
4
σ(n) — sum of divisors
516,000
φ(n) — Euler's totient
510,444
Sum of prime factors
2,778

Primality

Prime factorization: 199 × 2579

Nearest primes: 513,203 (−18) · 513,239 (+18)

Divisors & multiples

All divisors (4)
1 · 199 · 2579 · 513221
Aliquot sum (sum of proper divisors): 2,779
Factor pairs (a × b = 513,221)
1 × 513221
199 × 2579
First multiples
513,221 · 1,026,442 (double) · 1,539,663 · 2,052,884 · 2,566,105 · 3,079,326 · 3,592,547 · 4,105,768 · 4,618,989 · 5,132,210

Sums & aliquot sequence

As consecutive integers: 256,610 + 256,611 2,480 + 2,481 + … + 2,678 1,091 + 1,092 + … + 1,488
Aliquot sequence: 513,221 2,779 405 321 111 41 1 0 — terminates at zero

Continued fraction of √n

√513,221 = [716; (2, 1, 1, 6, 1, 1, 2, 1432)]

Period length 8 — the block in parentheses repeats forever.

Representations

In words
five hundred thirteen thousand two hundred twenty-one
Ordinal
513221st
Binary
1111101010011000101
Octal
1752305
Hexadecimal
0x7D4C5
Base64
B9TF
One's complement
4,294,454,074 (32-bit)
Scientific notation
5.13221 × 10⁵
As a duration
513,221 s = 5 days, 22 hours, 33 minutes, 41 seconds
In other bases
ternary (3) 222002000012
quaternary (4) 1331103011
quinary (5) 112410341
senary (6) 15000005
septenary (7) 4235162
nonary (9) 862005
undecimal (11) 320655
duodecimal (12) 209005
tridecimal (13) 14c7a7
tetradecimal (14) d5069
pentadecimal (15) a20eb

As an angle

513,221° = 1,425 × 360° + 221°
221° ≈ 3.857 rad
Compass bearing: SW (southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹 𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓆐𓂍𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓏺
Greek (Milesian)
͵φιγσκαʹ
Chinese
五十一萬三千二百二十一
Chinese (financial)
伍拾壹萬參仟貳佰貳拾壹
In other modern scripts
Eastern Arabic ٥١٣٢٢١ Devanagari ५१३२२१ Bengali ৫১৩২২১ Tamil ௫௧௩௨௨௧ Thai ๕๑๓๒๒๑ Tibetan ༥༡༣༢༢༡ Khmer ៥១៣២២១ Lao ໕໑໓໒໒໑ Burmese ၅၁၃၂၂၁

Also seen as

Hex color
#07D4C5
RGB(7, 212, 197)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.7.212.197.

Address
0.7.212.197
Class
reserved
IPv4-mapped IPv6
::ffff:0.7.212.197

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 513,221 and was likely granted around 1893.

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

Related reading