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120,813

120,813 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.).

120,813 (one hundred twenty thousand eight hundred thirteen) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 3 × 7 × 11 × 523. Written other ways, in hexadecimal, 0x1D7ED.

Arithmetic Number Cube-Free Deficient Number Happy Number Odious Number Pernicious 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
318,021
Square (n²)
14,595,780,969
Cube (n³)
1,763,360,086,207,797
Divisor count
16
σ(n) — sum of divisors
201,216
φ(n) — Euler's totient
62,640
Sum of prime factors
544

Primality

Prime factorization: 3 × 7 × 11 × 523

Nearest primes: 120,811 (−2) · 120,817 (+4)

Divisors & multiples

All divisors (16)
1 · 3 · 7 · 11 · 21 · 33 · 77 · 231 · 523 · 1569 · 3661 · 5753 · 10983 · 17259 · 40271 · 120813
Aliquot sum (sum of proper divisors): 80,403
Factor pairs (a × b = 120,813)
1 × 120813
3 × 40271
7 × 17259
11 × 10983
21 × 5753
33 × 3661
77 × 1569
231 × 523
First multiples
120,813 · 241,626 (double) · 362,439 · 483,252 · 604,065 · 724,878 · 845,691 · 966,504 · 1,087,317 · 1,208,130

Sums & aliquot sequence

As consecutive integers: 60,406 + 60,407 40,270 + 40,271 + 40,272 20,133 + 20,134 + 20,135 + 20,136 + 20,137 + 20,138 17,256 + 17,257 + … + 17,262
Aliquot sequence: 120,813 80,403 26,805 16,107 10,773 8,587 309 107 1 0 — terminates at zero

Continued fraction of √n

√120,813 = [347; (1, 1, 2, 1, 1, 3, 1, 1, 7, 1, 4, 2, 1, 1, 1, 1, 3, 1, 1, 4, 1, 1, 1, 173, …)]

Representations

In words
one hundred twenty thousand eight hundred thirteen
Ordinal
120813th
Binary
11101011111101101
Octal
353755
Hexadecimal
0x1D7ED
Base64
Adft
One's complement
4,294,846,482 (32-bit)
Scientific notation
1.20813 × 10⁵
As a duration
120,813 s = 1 day, 9 hours, 33 minutes, 33 seconds
In other bases
ternary (3) 20010201120
quaternary (4) 131133231
quinary (5) 12331223
senary (6) 2331153
septenary (7) 1012140
nonary (9) 203646
undecimal (11) 82850
duodecimal (12) 59ab9
tridecimal (13) 42cb4
tetradecimal (14) 32057
pentadecimal (15) 25be3

As an angle

120,813° = 335 × 360° + 213°
213° ≈ 3.718 rad
Compass bearing: SSW (south-southwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺
Greek (Milesian)
͵ρκωιγʹ
Mayan (base 20)
𝋯·𝋢·𝋠·𝋭
Chinese
一十二萬零八百一十三
Chinese (financial)
壹拾貳萬零捌佰壹拾參
In other modern scripts
Eastern Arabic ١٢٠٨١٣ Devanagari १२०८१३ Bengali ১২০৮১৩ Tamil ௧௨௦௮௧௩ Thai ๑๒๐๘๑๓ Tibetan ༡༢༠༨༡༣ Khmer ១២០៨១៣ Lao ໑໒໐໘໑໓ Burmese ၁၂၀၈၁၃

Also seen as

Unicode codepoint
𝟭
Mathematical Sans-Serif Bold Digit One
U+1D7ED
Decimal digit (Nd)

UTF-8 encoding: F0 9D 9F AD (4 bytes).

Hex color
#01D7ED
RGB(1, 215, 237)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.215.237.

Address
0.1.215.237
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.215.237

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 120,813 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 120813 first appears in π at position 366,105 of the decimal expansion (the 366,105ordinal-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°.