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494,721

494,721 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.).

494,721 (four hundred ninety-four thousand seven hundred twenty-one) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 3³ × 73 × 251. Written other ways, in hexadecimal, 0x78C81.

Arithmetic Number Deficient Number Evil Number Happy Number Harshad / Niven Smith Number

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
27
Digit product
2,016
Digital root
9
Palindrome
No
Bit width
19 bits
Reversed
127,494
Square (n²)
244,748,867,841
Cube (n³)
121,082,404,647,167,361
Divisor count
16
σ(n) — sum of divisors
745,920
φ(n) — Euler's totient
324,000
Sum of prime factors
333

Primality

Prime factorization: 3 3 × 73 × 251

Nearest primes: 494,719 (−2) · 494,723 (+2)

Divisors & multiples

All divisors (16)
1 · 3 · 9 · 27 · 73 · 219 · 251 · 657 · 753 · 1971 · 2259 · 6777 · 18323 · 54969 · 164907 · 494721
Aliquot sum (sum of proper divisors): 251,199
Factor pairs (a × b = 494,721)
1 × 494721
3 × 164907
9 × 54969
27 × 18323
73 × 6777
219 × 2259
251 × 1971
657 × 753
First multiples
494,721 · 989,442 (double) · 1,484,163 · 1,978,884 · 2,473,605 · 2,968,326 · 3,463,047 · 3,957,768 · 4,452,489 · 4,947,210

Sums & aliquot sequence

As consecutive integers: 247,360 + 247,361 164,906 + 164,907 + 164,908 82,451 + 82,452 + 82,453 + 82,454 + 82,455 + 82,456 54,965 + 54,966 + … + 54,973
Aliquot sequence: 494,721 251,199 163,761 99,759 45,393 15,135 9,105 5,487 2,193 975 761 1 0 — terminates at zero

Continued fraction of √n

√494,721 = [703; (2, 1, 2, 1, 18, 1, 4, 3, 1, 1, 3, 9, 2, 21, 1, 1, 43, 2, 4, 2, 1, 1, 3, 2, …)]

Representations

In words
four hundred ninety-four thousand seven hundred twenty-one
Ordinal
494721st
Binary
1111000110010000001
Octal
1706201
Hexadecimal
0x78C81
Base64
B4yB
One's complement
4,294,472,574 (32-bit)
Scientific notation
4.94721 × 10⁵
As a duration
494,721 s = 5 days, 17 hours, 25 minutes, 21 seconds
In other bases
ternary (3) 221010122000
quaternary (4) 1320302001
quinary (5) 111312341
senary (6) 14334213
septenary (7) 4130223
nonary (9) 833560
undecimal (11) 308767
duodecimal (12) 1ba369
tridecimal (13) 144246
tetradecimal (14) cc413
pentadecimal (15) 9b8b6

As an angle

494,721° = 1,374 × 360° + 81°
81° ≈ 1.414 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Greek (Milesian)
͵υϟδψκαʹ
Chinese
四十九萬四千七百二十一
Chinese (financial)
肆拾玖萬肆仟柒佰貳拾壹
In other modern scripts
Eastern Arabic ٤٩٤٧٢١ Devanagari ४९४७२१ Bengali ৪৯৪৭২১ Tamil ௪௯௪௭௨௧ Thai ๔๙๔๗๒๑ Tibetan ༤༩༤༧༢༡ Khmer ៤៩៤៧២១ Lao ໔໙໔໗໒໑ Burmese ၄၉၄၇၂၁

Also seen as

Hex color
#078C81
RGB(7, 140, 129)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.7.140.129.

Address
0.7.140.129
Class
reserved
IPv4-mapped IPv6
::ffff:0.7.140.129

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 494,721 and was likely granted around 1893.

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

Position in π

The digit sequence 494721 first appears in π at position 167,416 of the decimal expansion (the 167,416ordinal-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