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139,841

139,841 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.).

139,841 (one hundred thirty-nine thousand eight hundred forty-one) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 13 × 31 × 347. Written other ways, in hexadecimal, 0x22241.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Recamán's Sequence Self Number Sphenic Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
26
Digit product
864
Digital root
8
Palindrome
No
Bit width
18 bits
Reversed
148,931
Recamán's sequence
a(489,145) = 139,841
Square (n²)
19,555,505,281
Cube (n³)
2,734,661,414,000,321
Divisor count
8
σ(n) — sum of divisors
155,904
φ(n) — Euler's totient
124,560
Sum of prime factors
391

Primality

Prime factorization: 13 × 31 × 347

Nearest primes: 139,837 (−4) · 139,861 (+20)

Divisors & multiples

All divisors (8)
1 · 13 · 31 · 347 · 403 · 4511 · 10757 · 139841
Aliquot sum (sum of proper divisors): 16,063
Factor pairs (a × b = 139,841)
1 × 139841
13 × 10757
31 × 4511
347 × 403
First multiples
139,841 · 279,682 (double) · 419,523 · 559,364 · 699,205 · 839,046 · 978,887 · 1,118,728 · 1,258,569 · 1,398,410

Sums & aliquot sequence

As consecutive integers: 69,920 + 69,921 10,751 + 10,752 + … + 10,763 5,366 + 5,367 + … + 5,391 4,496 + 4,497 + … + 4,526
Aliquot sequence: 139,841 16,063 1 0 — terminates at zero

Continued fraction of √n

√139,841 = [373; (1, 20, 2, 1, 2, 2, 1, 4, 4, 1, 1, 1, 1, 2, 1, 1, 2, 1, 6, 2, 8, 29, 1, 3, …)]

Representations

In words
one hundred thirty-nine thousand eight hundred forty-one
Ordinal
139841st
Binary
100010001001000001
Octal
421101
Hexadecimal
0x22241
Base64
AiJB
One's complement
4,294,827,454 (32-bit)
Scientific notation
1.39841 × 10⁵
As a duration
139,841 s = 1 day, 14 hours, 50 minutes, 41 seconds
In other bases
ternary (3) 21002211022
quaternary (4) 202021001
quinary (5) 13433331
senary (6) 2555225
septenary (7) 1121462
nonary (9) 232738
undecimal (11) 96079
duodecimal (12) 68b15
tridecimal (13) 4b860
tetradecimal (14) 38d69
pentadecimal (15) 2b67b

As an angle

139,841° = 388 × 360° + 161°
161° ≈ 2.81 rad
Compass bearing: SSE (south-southeast)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵ρλθωμαʹ
Mayan (base 20)
𝋱·𝋩·𝋬·𝋡
Chinese
一十三萬九千八百四十一
Chinese (financial)
壹拾參萬玖仟捌佰肆拾壹
In other modern scripts
Eastern Arabic ١٣٩٨٤١ Devanagari १३९८४१ Bengali ১৩৯৮৪১ Tamil ௧௩௯௮௪௧ Thai ๑๓๙๘๔๑ Tibetan ༡༣༩༨༤༡ Khmer ១៣៩៨៤១ Lao ໑໓໙໘໔໑ Burmese ၁၃၉၈၄၁

Also seen as

Unicode codepoint
𢉁
CJK Unified Ideograph-22241
U+22241
Other letter (Lo)

UTF-8 encoding: F0 A2 89 81 (4 bytes).

Hex color
#022241
RGB(2, 34, 65)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.34.65.

Address
0.2.34.65
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.34.65

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 139,841 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 139841 first appears in π at position 304,347 of the decimal expansion (the 304,347ordinal-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.