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180,401

180,401 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.).

180,401 (one hundred eighty thousand four hundred one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 13 × 13,877. Written other ways, in hexadecimal, 0x2C0B1.

Arithmetic Number Cube-Free Deficient Number Happy Number Odious Number Pernicious Number Recamán's Sequence Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
14
Digit product
0
Digital root
5
Palindrome
No
Bit width
18 bits
Reversed
104,081
Recamán's sequence
a(464,925) = 180,401
Square (n²)
32,544,520,801
Cube (n³)
5,871,064,097,021,201
Divisor count
4
σ(n) — sum of divisors
194,292
φ(n) — Euler's totient
166,512
Sum of prime factors
13,890

Primality

Prime factorization: 13 × 13877

Nearest primes: 180,391 (−10) · 180,413 (+12)

Divisors & multiples

All divisors (4)
1 · 13 · 13877 · 180401
Aliquot sum (sum of proper divisors): 13,891
Factor pairs (a × b = 180,401)
1 × 180401
13 × 13877
First multiples
180,401 · 360,802 (double) · 541,203 · 721,604 · 902,005 · 1,082,406 · 1,262,807 · 1,443,208 · 1,623,609 · 1,804,010

Sums & aliquot sequence

As a sum of two squares: 25² + 424² = 140² + 401²
As consecutive integers: 90,200 + 90,201 13,871 + 13,872 + … + 13,883 6,926 + 6,927 + … + 6,951
Aliquot sequence: 180,401 13,891 509 1 0 — terminates at zero

Continued fraction of √n

√180,401 = [424; (1, 2, 1, 3, 1, 5, 3, 9, 2, 1, 23, 1, 1, 2, 4, 1, 10, 4, 1, 1, 1, 1, 52, 2, …)]

Representations

In words
one hundred eighty thousand four hundred one
Ordinal
180401st
Binary
101100000010110001
Octal
540261
Hexadecimal
0x2C0B1
Base64
AsCx
One's complement
4,294,786,894 (32-bit)
Scientific notation
1.80401 × 10⁵
As a duration
180,401 s = 2 days, 2 hours, 6 minutes, 41 seconds
In other bases
ternary (3) 100011110112
quaternary (4) 230002301
quinary (5) 21233101
senary (6) 3511105
septenary (7) 1350644
nonary (9) 304415
undecimal (11) 1135a1
duodecimal (12) 88495
tridecimal (13) 64160
tetradecimal (14) 49a5b
pentadecimal (15) 386bb

As an angle

180,401° = 501 × 360° + 41°
41° ≈ 0.716 rad
Compass bearing: NE (northeast)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒌋𒌋 𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓏺
Greek (Milesian)
͵ρπυαʹ
Chinese
一十八萬零四百零一
Chinese (financial)
壹拾捌萬零肆佰零壹
In other modern scripts
Eastern Arabic ١٨٠٤٠١ Devanagari १८०४०१ Bengali ১৮০৪০১ Tamil ௧௮௦௪௦௧ Thai ๑๘๐๔๐๑ Tibetan ༡༨༠༤༠༡ Khmer ១៨០៤០១ Lao ໑໘໐໔໐໑ Burmese ၁၈၀၄၀၁

Also seen as

Unicode codepoint
𬂱
CJK Unified Ideograph-2C0B1
U+2C0B1
Other letter (Lo)

UTF-8 encoding: F0 AC 82 B1 (4 bytes).

Hex color
#02C0B1
RGB(2, 192, 177)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.192.177.

Address
0.2.192.177
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.192.177

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 180,401 and was likely granted around 1875.

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

Related reading