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133,871

133,871 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.).

133,871 (one hundred thirty-three thousand eight hundred seventy-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 59 × 2,269. Written other ways, in hexadecimal, 0x20AEF.

Arithmetic Number Cube-Free Deficient Number Evil Number Happy Number Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
23
Digit product
504
Digital root
5
Palindrome
No
Bit width
18 bits
Reversed
178,331
Square (n²)
17,921,444,641
Cube (n³)
2,399,161,715,535,311
Divisor count
4
σ(n) — sum of divisors
136,200
φ(n) — Euler's totient
131,544
Sum of prime factors
2,328

Primality

Prime factorization: 59 × 2269

Nearest primes: 133,853 (−18) · 133,873 (+2)

Divisors & multiples

All divisors (4)
1 · 59 · 2269 · 133871
Aliquot sum (sum of proper divisors): 2,329
Factor pairs (a × b = 133,871)
1 × 133871
59 × 2269
First multiples
133,871 · 267,742 (double) · 401,613 · 535,484 · 669,355 · 803,226 · 937,097 · 1,070,968 · 1,204,839 · 1,338,710

Sums & aliquot sequence

As consecutive integers: 66,935 + 66,936 2,240 + 2,241 + … + 2,298 1,076 + 1,077 + … + 1,193
Aliquot sequence: 133,871 2,329 155 37 1 0 — terminates at zero

Continued fraction of √n

√133,871 = [365; (1, 7, 1, 1, 1, 1, 3, 4, 19, 42, 1, 145, 2, 1, 1, 1, 8, 5, 4, 2, 3, 2, 2, 8, …)]

Representations

In words
one hundred thirty-three thousand eight hundred seventy-one
Ordinal
133871st
Binary
100000101011101111
Octal
405357
Hexadecimal
0x20AEF
Base64
Agrv
One's complement
4,294,833,424 (32-bit)
Scientific notation
1.33871 × 10⁵
As a duration
133,871 s = 1 day, 13 hours, 11 minutes, 11 seconds
In other bases
ternary (3) 20210122012
quaternary (4) 200223233
quinary (5) 13240441
senary (6) 2511435
septenary (7) 1065203
nonary (9) 223565
undecimal (11) 91641
duodecimal (12) 6557b
tridecimal (13) 48c1a
tetradecimal (14) 36b03
pentadecimal (15) 299eb

As an angle

133,871° = 371 × 360° + 311°
311° ≈ 5.428 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹 𒌋𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵ρλγωοαʹ
Mayan (base 20)
𝋰·𝋮·𝋭·𝋫
Chinese
一十三萬三千八百七十一
Chinese (financial)
壹拾參萬參仟捌佰柒拾壹
In other modern scripts
Eastern Arabic ١٣٣٨٧١ Devanagari १३३८७१ Bengali ১৩৩৮৭১ Tamil ௧௩௩௮௭௧ Thai ๑๓๓๘๗๑ Tibetan ༡༣༣༨༧༡ Khmer ១៣៣៨៧១ Lao ໑໓໓໘໗໑ Burmese ၁၃၃၈၇၁

Also seen as

Unicode codepoint
𠫯
CJK Unified Ideograph-20Aef
U+20AEF
Other letter (Lo)

UTF-8 encoding: F0 A0 AB AF (4 bytes).

Hex color
#020AEF
RGB(2, 10, 239)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.10.239.

Address
0.2.10.239
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.10.239

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 133,871 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 133871 first appears in π at position 64,417 of the decimal expansion (the 64,417ordinal-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

  • Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.