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120,561

120,561 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.).

120,561 (one hundred twenty thousand five hundred sixty-one) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 7 × 5,741. Written other ways, in hexadecimal, 0x1D6F1.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
15
Digit product
0
Digital root
6
Palindrome
No
Bit width
17 bits
Reversed
165,021
Square (n²)
14,534,954,721
Cube (n³)
1,752,348,676,118,481
Divisor count
8
σ(n) — sum of divisors
183,744
φ(n) — Euler's totient
68,880
Sum of prime factors
5,751

Primality

Prime factorization: 3 × 7 × 5741

Nearest primes: 120,557 (−4) · 120,563 (+2)

Divisors & multiples

All divisors (8)
1 · 3 · 7 · 21 · 5741 · 17223 · 40187 · 120561
Aliquot sum (sum of proper divisors): 63,183
Factor pairs (a × b = 120,561)
1 × 120561
3 × 40187
7 × 17223
21 × 5741
First multiples
120,561 · 241,122 (double) · 361,683 · 482,244 · 602,805 · 723,366 · 843,927 · 964,488 · 1,085,049 · 1,205,610

Sums & aliquot sequence

As consecutive integers: 60,280 + 60,281 40,186 + 40,187 + 40,188 20,091 + 20,092 + 20,093 + 20,094 + 20,095 + 20,096 17,220 + 17,221 + … + 17,226
Aliquot sequence: 120,561 63,183 21,065 6,583 257 1 0 — terminates at zero

Continued fraction of √n

√120,561 = [347; (4, 1, 1, 3, 4, 1, 1, 2, 1, 5, 14, 1, 1, 1, 1, 98, 1, 1, 1, 1, 14, 5, 1, 2, …)]

Period length 32 — the block in parentheses repeats forever.

Representations

In words
one hundred twenty thousand five hundred sixty-one
Ordinal
120561st
Binary
11101011011110001
Octal
353361
Hexadecimal
0x1D6F1
Base64
Adbx
One's complement
4,294,846,734 (32-bit)
Scientific notation
1.20561 × 10⁵
As a duration
120,561 s = 1 day, 9 hours, 29 minutes, 21 seconds
In other bases
ternary (3) 20010101020
quaternary (4) 131123301
quinary (5) 12324221
senary (6) 2330053
septenary (7) 1011330
nonary (9) 203336
undecimal (11) 82641
duodecimal (12) 59929
tridecimal (13) 42b4c
tetradecimal (14) 31d17
pentadecimal (15) 25ac6

As an angle

120,561° = 334 × 360° + 321°
321° ≈ 5.603 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵ρκφξαʹ
Mayan (base 20)
𝋯·𝋡·𝋨·𝋡
Chinese
一十二萬零五百六十一
Chinese (financial)
壹拾貳萬零伍佰陸拾壹
In other modern scripts
Eastern Arabic ١٢٠٥٦١ Devanagari १२०५६१ Bengali ১২০৫৬১ Tamil ௧௨௦௫௬௧ Thai ๑๒๐๕๖๑ Tibetan ༡༢༠༥༦༡ Khmer ១២០៥៦១ Lao ໑໒໐໕໖໑ Burmese ၁၂၀၅၆၁

Also seen as

Unicode codepoint
𝛱
Mathematical Italic Capital Pi
U+1D6F1
Uppercase letter (Lu)

UTF-8 encoding: F0 9D 9B B1 (4 bytes).

Hex color
#01D6F1
RGB(1, 214, 241)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.214.241.

Address
0.1.214.241
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.214.241

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 120,561 and was likely granted around 1871.

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

Position in π

The digit sequence 120561 first appears in π at position 472,444 of the decimal expansion (the 472,444ordinal-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

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.