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139,049

139,049 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.).

139,049 (one hundred thirty-nine thousand forty-nine) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 211 × 659. Written other ways, in hexadecimal, 0x21F29.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
26
Digit product
0
Digital root
8
Palindrome
No
Bit width
18 bits
Reversed
940,931
Recamán's sequence
a(490,729) = 139,049
Square (n²)
19,334,624,401
Cube (n³)
2,688,460,188,334,649
Divisor count
4
σ(n) — sum of divisors
139,920
φ(n) — Euler's totient
138,180
Sum of prime factors
870

Primality

Prime factorization: 211 × 659

Nearest primes: 139,033 (−16) · 139,067 (+18)

Divisors & multiples

All divisors (4)
1 · 211 · 659 · 139049
Aliquot sum (sum of proper divisors): 871
Factor pairs (a × b = 139,049)
1 × 139049
211 × 659
First multiples
139,049 · 278,098 (double) · 417,147 · 556,196 · 695,245 · 834,294 · 973,343 · 1,112,392 · 1,251,441 · 1,390,490

Sums & aliquot sequence

As consecutive integers: 69,524 + 69,525 554 + 555 + … + 764 119 + 120 + … + 540
Aliquot sequence: 139,049 871 81 40 50 43 1 0 — terminates at zero

Continued fraction of √n

√139,049 = [372; (1, 8, 3, 11, 6, 1, 1, 3, 21, 39, 4, 1, 7, 2, 1, 1, 6, 1, 1, 2, 1, 3, 1, 6, …)]

Representations

In words
one hundred thirty-nine thousand forty-nine
Ordinal
139049th
Binary
100001111100101001
Octal
417451
Hexadecimal
0x21F29
Base64
Ah8p
One's complement
4,294,828,246 (32-bit)
Scientific notation
1.39049 × 10⁵
As a duration
139,049 s = 1 day, 14 hours, 37 minutes, 29 seconds
In other bases
ternary (3) 21001201222
quaternary (4) 201330221
quinary (5) 13422144
senary (6) 2551425
septenary (7) 1116251
nonary (9) 231658
undecimal (11) 95519
duodecimal (12) 68575
tridecimal (13) 4b3a1
tetradecimal (14) 38961
pentadecimal (15) 2b2ee

As an angle

139,049° = 386 × 360° + 89°
89° ≈ 1.553 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλθμθʹ
Mayan (base 20)
𝋱·𝋧·𝋬·𝋩
Chinese
一十三萬九千零四十九
Chinese (financial)
壹拾參萬玖仟零肆拾玖
In other modern scripts
Eastern Arabic ١٣٩٠٤٩ Devanagari १३९०४९ Bengali ১৩৯০৪৯ Tamil ௧௩௯௦௪௯ Thai ๑๓๙๐๔๙ Tibetan ༡༣༩༠༤༩ Khmer ១៣៩០៤៩ Lao ໑໓໙໐໔໙ Burmese ၁၃၉၀၄၉

Also seen as

Unicode codepoint
𡼩
CJK Unified Ideograph-21F29
U+21F29
Other letter (Lo)

UTF-8 encoding: F0 A1 BC A9 (4 bytes).

Hex color
#021F29
RGB(2, 31, 41)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.31.41.

Address
0.2.31.41
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.31.41

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 139,049 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 139049 first appears in π at position 608,737 of the decimal expansion (the 608,737ordinal-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.