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120,981

120,981 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.).

120,981 (one hundred twenty thousand nine hundred eighty-one) is an odd 6-digit number. It is a composite number with 12 divisors, and factors as 3 × 7² × 823. Written other ways, in hexadecimal, 0x1D895.

Arithmetic Number Cube-Free Deficient Number Harshad / Niven Odious Number

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
21
Digit product
0
Digital root
3
Palindrome
No
Bit width
17 bits
Reversed
189,021
Square (n²)
14,636,402,361
Cube (n³)
1,770,726,594,036,141
Divisor count
12
σ(n) — sum of divisors
187,872
φ(n) — Euler's totient
69,048
Sum of prime factors
840

Primality

Prime factorization: 3 × 7 2 × 823

Nearest primes: 120,977 (−4) · 120,997 (+16)

Divisors & multiples

All divisors (12)
1 · 3 · 7 · 21 · 49 · 147 · 823 · 2469 · 5761 · 17283 · 40327 · 120981
Aliquot sum (sum of proper divisors): 66,891
Factor pairs (a × b = 120,981)
1 × 120981
3 × 40327
7 × 17283
21 × 5761
49 × 2469
147 × 823
First multiples
120,981 · 241,962 (double) · 362,943 · 483,924 · 604,905 · 725,886 · 846,867 · 967,848 · 1,088,829 · 1,209,810

Sums & aliquot sequence

As consecutive integers: 60,490 + 60,491 40,326 + 40,327 + 40,328 20,161 + 20,162 + 20,163 + 20,164 + 20,165 + 20,166 17,280 + 17,281 + … + 17,286
Aliquot sequence: 120,981 66,891 30,453 10,155 6,117 2,043 921 311 1 0 — terminates at zero

Continued fraction of √n

√120,981 = [347; (1, 4, 1, 1, 1, 10, 1, 17, 1, 7, 1, 6, 14, 1, 1, 1, 9, 1, 1, 3, 40, 1, 1, 1, …)]

Representations

In words
one hundred twenty thousand nine hundred eighty-one
Ordinal
120981st
Binary
11101100010010101
Octal
354225
Hexadecimal
0x1D895
Base64
AdiV
One's complement
4,294,846,314 (32-bit)
Scientific notation
1.20981 × 10⁵
As a duration
120,981 s = 1 day, 9 hours, 36 minutes, 21 seconds
In other bases
ternary (3) 20010221210
quaternary (4) 131202111
quinary (5) 12332411
senary (6) 2332033
septenary (7) 1012500
nonary (9) 203853
undecimal (11) 82993
duodecimal (12) 5a019
tridecimal (13) 430b3
tetradecimal (14) 32137
pentadecimal (15) 25ca6

As an angle

120,981° = 336 × 360° + 21°
21° ≈ 0.367 rad
Compass bearing: NNE (north-northeast)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵ρκϡπαʹ
Mayan (base 20)
𝋯·𝋢·𝋩·𝋡
Chinese
一十二萬零九百八十一
Chinese (financial)
壹拾貳萬零玖佰捌拾壹
In other modern scripts
Eastern Arabic ١٢٠٩٨١ Devanagari १२०९८१ Bengali ১২০৯৮১ Tamil ௧௨௦௯௮௧ Thai ๑๒๐๙๘๑ Tibetan ༡༢༠༩༨༡ Khmer ១២០៩៨១ Lao ໑໒໐໙໘໑ Burmese ၁၂၀၉၈၁

Also seen as

Unicode codepoint
𝢕
Signwriting Hand-Oval Little Up
U+1D895
Other symbol (So)

UTF-8 encoding: F0 9D A2 95 (4 bytes).

Hex color
#01D895
RGB(1, 216, 149)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.216.149.

Address
0.1.216.149
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.216.149

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 120,981 and was likely granted around 1871.

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

Related reading

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