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521,313

521,313 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.).

521,313 (five hundred twenty-one thousand three hundred thirteen) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 13 × 13,367. Written other ways, in hexadecimal, 0x7F461.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
15
Digit product
90
Digital root
6
Palindrome
No
Bit width
19 bits
Reversed
313,125
Square (n²)
271,767,243,969
Cube (n³)
141,675,797,255,211,297
Divisor count
8
σ(n) — sum of divisors
748,608
φ(n) — Euler's totient
320,784
Sum of prime factors
13,383

Primality

Prime factorization: 3 × 13 × 13367

Nearest primes: 521,309 (−4) · 521,317 (+4)

Divisors & multiples

All divisors (8)
1 · 3 · 13 · 39 · 13367 · 40101 · 173771 · 521313
Aliquot sum (sum of proper divisors): 227,295
Factor pairs (a × b = 521,313)
1 × 521313
3 × 173771
13 × 40101
39 × 13367
First multiples
521,313 · 1,042,626 (double) · 1,563,939 · 2,085,252 · 2,606,565 · 3,127,878 · 3,649,191 · 4,170,504 · 4,691,817 · 5,213,130

Sums & aliquot sequence

As consecutive integers: 260,656 + 260,657 173,770 + 173,771 + 173,772 86,883 + 86,884 + 86,885 + 86,886 + 86,887 + 86,888 40,095 + 40,096 + … + 40,107
Aliquot sequence: 521,313 227,295 166,761 108,631 1 0 — terminates at zero

Continued fraction of √n

√521,313 = [722; (49, 1, 3, 1, 5, 1, 1, 1, 5, 9, 1, 1, 1, 4, 1, 4, 2, 1, 1, 3, 2, 1, 1, 2, …)]

Representations

In words
five hundred twenty-one thousand three hundred thirteen
Ordinal
521313th
Binary
1111111010001100001
Octal
1772141
Hexadecimal
0x7F461
Base64
B/Rh
One's complement
4,294,445,982 (32-bit)
Scientific notation
5.21313 × 10⁵
As a duration
521,313 s = 6 days, 48 minutes, 33 seconds
In other bases
ternary (3) 222111002220
quaternary (4) 1333101201
quinary (5) 113140223
senary (6) 15101253
septenary (7) 4300602
nonary (9) 874086
undecimal (11) 326741
duodecimal (12) 211829
tridecimal (13) 153390
tetradecimal (14) d7da9
pentadecimal (15) a46e3

As an angle

521,313° = 1,448 × 360° + 33°
33° ≈ 0.576 rad
Compass bearing: NNE (north-northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓆼𓍢𓍢𓍢𓎆𓏺𓏺𓏺
Greek (Milesian)
͵φκατιγʹ
Chinese
五十二萬一千三百一十三
Chinese (financial)
伍拾貳萬壹仟參佰壹拾參
In other modern scripts
Eastern Arabic ٥٢١٣١٣ Devanagari ५२१३१३ Bengali ৫২১৩১৩ Tamil ௫௨௧௩௧௩ Thai ๕๒๑๓๑๓ Tibetan ༥༢༡༣༡༣ Khmer ៥២១៣១៣ Lao ໕໒໑໓໑໓ Burmese ၅၂၁၃၁၃

Also seen as

Hex color
#07F461
RGB(7, 244, 97)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.7.244.97.

Address
0.7.244.97
Class
reserved
IPv4-mapped IPv6
::ffff:0.7.244.97

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 521,313 and was likely granted around 1894.

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

Position in π

The digit sequence 521313 first appears in π at position 131,713 of the decimal expansion (the 131,713ordinal-suffix:th digit after the integer 3).

Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.

Related reading