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136,729

136,729 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.).

136,729 (one hundred thirty-six thousand seven hundred twenty-nine) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 73 × 1,873. Written other ways, in hexadecimal, 0x21619.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
28
Digit product
2,268
Digital root
1
Palindrome
No
Bit width
18 bits
Reversed
927,631
Square (n²)
18,694,819,441
Cube (n³)
2,556,123,967,348,489
Divisor count
4
σ(n) — sum of divisors
138,676
φ(n) — Euler's totient
134,784
Sum of prime factors
1,946

Primality

Prime factorization: 73 × 1873

Nearest primes: 136,727 (−2) · 136,733 (+4)

Divisors & multiples

All divisors (4)
1 · 73 · 1873 · 136729
Aliquot sum (sum of proper divisors): 1,947
Factor pairs (a × b = 136,729)
1 × 136729
73 × 1873
First multiples
136,729 · 273,458 (double) · 410,187 · 546,916 · 683,645 · 820,374 · 957,103 · 1,093,832 · 1,230,561 · 1,367,290

Sums & aliquot sequence

As a sum of two squares: 125² + 348² = 180² + 323²
As consecutive integers: 68,364 + 68,365 1,837 + 1,838 + … + 1,909 864 + 865 + … + 1,009
Aliquot sequence: 136,729 1,947 933 315 309 107 1 0 — terminates at zero

Continued fraction of √n

√136,729 = [369; (1, 3, 3, 15, 10, 15, 3, 3, 1, 738)]

Period length 10 — the block in parentheses repeats forever.

Representations

In words
one hundred thirty-six thousand seven hundred twenty-nine
Ordinal
136729th
Binary
100001011000011001
Octal
413031
Hexadecimal
0x21619
Base64
AhYZ
One's complement
4,294,830,566 (32-bit)
Scientific notation
1.36729 × 10⁵
As a duration
136,729 s = 1 day, 13 hours, 58 minutes, 49 seconds
In other bases
ternary (3) 20221120001
quaternary (4) 201120121
quinary (5) 13333404
senary (6) 2533001
septenary (7) 1106425
nonary (9) 227501
undecimal (11) 937aa
duodecimal (12) 67161
tridecimal (13) 4a308
tetradecimal (14) 37b85
pentadecimal (15) 2a7a4

As an angle

136,729° = 379 × 360° + 289°
289° ≈ 5.044 rad
Compass bearing: WNW (west-northwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλϛψκθʹ
Mayan (base 20)
𝋱·𝋡·𝋰·𝋩
Chinese
一十三萬六千七百二十九
Chinese (financial)
壹拾參萬陸仟柒佰貳拾玖
In other modern scripts
Eastern Arabic ١٣٦٧٢٩ Devanagari १३६७२९ Bengali ১৩৬৭২৯ Tamil ௧௩௬௭௨௯ Thai ๑๓๖๗๒๙ Tibetan ༡༣༦༧༢༩ Khmer ១៣៦៧២៩ Lao ໑໓໖໗໒໙ Burmese ၁၃၆၇၂၉

Also seen as

Unicode codepoint
𡘙
CJK Unified Ideograph-21619
U+21619
Other letter (Lo)

UTF-8 encoding: F0 A1 98 99 (4 bytes).

Hex color
#021619
RGB(2, 22, 25)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.22.25.

Address
0.2.22.25
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.22.25

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 136,729 and was likely granted around 1872.

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

Related reading