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131,973

131,973 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.).

131,973 (one hundred thirty-one thousand nine hundred seventy-three) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 3 × 43,991. Written other ways, in hexadecimal, 0x20385.

Arithmetic Number Cube-Free Deficient Number Evil Number Recamán's Sequence Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
24
Digit product
567
Digital root
6
Palindrome
No
Bit width
18 bits
Reversed
379,131
Recamán's sequence
a(228,426) = 131,973
Square (n²)
17,416,872,729
Cube (n³)
2,298,556,944,664,317
Divisor count
4
σ(n) — sum of divisors
175,968
φ(n) — Euler's totient
87,980
Sum of prime factors
43,994

Primality

Prime factorization: 3 × 43991

Nearest primes: 131,969 (−4) · 132,001 (+28)

Divisors & multiples

All divisors (4)
1 · 3 · 43991 · 131973
Aliquot sum (sum of proper divisors): 43,995
Factor pairs (a × b = 131,973)
1 × 131973
3 × 43991
First multiples
131,973 · 263,946 (double) · 395,919 · 527,892 · 659,865 · 791,838 · 923,811 · 1,055,784 · 1,187,757 · 1,319,730

Sums & aliquot sequence

As consecutive integers: 65,986 + 65,987 43,990 + 43,991 + 43,992 21,993 + 21,994 + 21,995 + 21,996 + 21,997 + 21,998
Aliquot sequence: 131,973 43,995 36,645 30,555 30,597 18,555 11,157 3,723 1,605 987 549 257 1 0 — terminates at zero

Continued fraction of √n

√131,973 = [363; (3, 1, 1, 3, 1, 1, 1, 7, 2, 1, 10, 242, 10, 1, 2, 7, 1, 1, 1, 3, 1, 1, 3, 726)]

Period length 24 — the block in parentheses repeats forever.

Representations

In words
one hundred thirty-one thousand nine hundred seventy-three
Ordinal
131973rd
Binary
100000001110000101
Octal
401605
Hexadecimal
0x20385
Base64
AgOF
One's complement
4,294,835,322 (32-bit)
Scientific notation
1.31973 × 10⁵
As a duration
131,973 s = 1 day, 12 hours, 39 minutes, 33 seconds
In other bases
ternary (3) 20201000220
quaternary (4) 200032011
quinary (5) 13210343
senary (6) 2454553
septenary (7) 1056522
nonary (9) 221026
undecimal (11) 90176
duodecimal (12) 64459
tridecimal (13) 480ba
tetradecimal (14) 36149
pentadecimal (15) 29183

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
͵ρλαϡογʹ
Mayan (base 20)
𝋰·𝋩·𝋲·𝋭
Chinese
一十三萬一千九百七十三
Chinese (financial)
壹拾參萬壹仟玖佰柒拾參
In other modern scripts
Eastern Arabic ١٣١٩٧٣ Devanagari १३१९७३ Bengali ১৩১৯৭৩ Tamil ௧௩௧௯௭௩ Thai ๑๓๑๙๗๓ Tibetan ༡༣༡༩༧༣ Khmer ១៣១៩៧៣ Lao ໑໓໑໙໗໓ Burmese ၁၃၁၉၇၃

Also seen as

Unicode codepoint
𠎅
CJK Unified Ideograph-20385
U+20385
Other letter (Lo)

UTF-8 encoding: F0 A0 8E 85 (4 bytes).

Hex color
#020385
RGB(2, 3, 133)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.3.133.

Address
0.2.3.133
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.3.133

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 131,973 and was likely granted around 1872.

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

Position in π

The digit sequence 131973 first appears in π at position 271,530 of the decimal expansion (the 271,530ordinal-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°.