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146,728

146,728 is a composite number, even.

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.).

146,728 (one hundred forty-six thousand seven hundred twenty-eight) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2³ × 18,341. Written other ways, in hexadecimal, 0x23D28.

Deficient Number Evil Number Recamán's Sequence Refactorable Number

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
28
Digit product
2,688
Digital root
1
Palindrome
No
Bit width
18 bits
Reversed
827,641
Recamán's sequence
a(214,960) = 146,728
Square (n²)
21,529,105,984
Cube (n³)
3,158,922,662,820,352
Divisor count
8
σ(n) — sum of divisors
275,130
φ(n) — Euler's totient
73,360
Sum of prime factors
18,347

Primality

Prime factorization: 2 3 × 18341

Nearest primes: 146,719 (−9) · 146,743 (+15)

Divisors & multiples

All divisors (8)
1 · 2 · 4 · 8 · 18341 · 36682 · 73364 (half) · 146728
Aliquot sum (sum of proper divisors): 128,402
Factor pairs (a × b = 146,728)
1 × 146728
2 × 73364
4 × 36682
8 × 18341
First multiples
146,728 · 293,456 (double) · 440,184 · 586,912 · 733,640 · 880,368 · 1,027,096 · 1,173,824 · 1,320,552 · 1,467,280

Sums & aliquot sequence

As a sum of two squares: 62² + 378²
As consecutive integers: 9,163 + 9,164 + … + 9,178
Aliquot sequence: 146,728 128,402 82,798 41,402 21,574 17,594 10,246 5,594 2,800 4,888 5,192 5,608 4,922 2,854 1,430 1,594 800 — unresolved within range

Continued fraction of √n

√146,728 = [383; (19, 1, 1, 1, 3, 1, 8, 1, 10, 2, 1, 2, 1, 1, 108, 1, 6, 2, 1, 1, 1, 31, 3, 2, …)]

Representations

In words
one hundred forty-six thousand seven hundred twenty-eight
Ordinal
146728th
Binary
100011110100101000
Octal
436450
Hexadecimal
0x23D28
Base64
Aj0o
One's complement
4,294,820,567 (32-bit)
Scientific notation
1.46728 × 10⁵
As a duration
146,728 s = 1 day, 16 hours, 45 minutes, 28 seconds
In other bases
ternary (3) 21110021101
quaternary (4) 203310220
quinary (5) 14143403
senary (6) 3051144
septenary (7) 1150531
nonary (9) 243241
undecimal (11) a026a
duodecimal (12) 70ab4
tridecimal (13) 51a2a
tetradecimal (14) 3b688
pentadecimal (15) 2d71d

As an angle

146,728° = 407 × 360° + 208°
208° ≈ 3.63 rad
Compass bearing: SSW (south-southwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρμϛψκηʹ
Mayan (base 20)
𝋲·𝋦·𝋰·𝋨
Chinese
一十四萬六千七百二十八
Chinese (financial)
壹拾肆萬陸仟柒佰貳拾捌
In other modern scripts
Eastern Arabic ١٤٦٧٢٨ Devanagari १४६७२८ Bengali ১৪৬৭২৮ Tamil ௧௪௬௭௨௮ Thai ๑๔๖๗๒๘ Tibetan ༡༤༦༧༢༨ Khmer ១៤៦៧២៨ Lao ໑໔໖໗໒໘ Burmese ၁၄၆၇၂၈

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 146728, here are decompositions:

  • 47 + 146681 = 146728
  • 59 + 146669 = 146728
  • 89 + 146639 = 146728
  • 251 + 146477 = 146728
  • 311 + 146417 = 146728
  • 347 + 146381 = 146728
  • 359 + 146369 = 146728
  • 419 + 146309 = 146728

Showing the first eight; more decompositions exist.

Unicode codepoint
𣴨
CJK Unified Ideograph-23D28
U+23D28
Other letter (Lo)

UTF-8 encoding: F0 A3 B4 A8 (4 bytes).

Hex color
#023D28
RGB(2, 61, 40)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.61.40.

Address
0.2.61.40
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.61.40

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 146,728 and was likely granted around 1873.

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

Related reading