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136,731

136,731 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.).

136,731 (one hundred thirty-six thousand seven hundred thirty-one) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 3 × 7 × 17 × 383. Written other ways, in hexadecimal, 0x2161B.

Arithmetic Number Cube-Free Deficient Number Evil Number Harshad / Niven Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
21
Digit product
378
Digital root
3
Palindrome
No
Bit width
18 bits
Reversed
137,631
Square (n²)
18,695,366,361
Cube (n³)
2,556,236,137,905,891
Divisor count
16
σ(n) — sum of divisors
221,184
φ(n) — Euler's totient
73,344
Sum of prime factors
410

Primality

Prime factorization: 3 × 7 × 17 × 383

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

Divisors & multiples

All divisors (16)
1 · 3 · 7 · 17 · 21 · 51 · 119 · 357 · 383 · 1149 · 2681 · 6511 · 8043 · 19533 · 45577 · 136731
Aliquot sum (sum of proper divisors): 84,453
Factor pairs (a × b = 136,731)
1 × 136731
3 × 45577
7 × 19533
17 × 8043
21 × 6511
51 × 2681
119 × 1149
357 × 383
First multiples
136,731 · 273,462 (double) · 410,193 · 546,924 · 683,655 · 820,386 · 957,117 · 1,093,848 · 1,230,579 · 1,367,310

Sums & aliquot sequence

As consecutive integers: 68,365 + 68,366 45,576 + 45,577 + 45,578 22,786 + 22,787 + 22,788 + 22,789 + 22,790 + 22,791 19,530 + 19,531 + … + 19,536
Aliquot sequence: 136,731 84,453 28,155 16,917 5,643 3,957 1,323 957 483 285 195 141 51 21 11 1 0 — terminates at zero

Continued fraction of √n

√136,731 = [369; (1, 3, 2, 1, 1, 1, 6, 29, 2, 3, 8, 1, 1, 1, 1, 1, 11, 1, 10, 3, 1, 1, 15, 6, …)]

Period length 56 — the block in parentheses repeats forever.

Representations

In words
one hundred thirty-six thousand seven hundred thirty-one
Ordinal
136731st
Binary
100001011000011011
Octal
413033
Hexadecimal
0x2161B
Base64
AhYb
One's complement
4,294,830,564 (32-bit)
Scientific notation
1.36731 × 10⁵
As a duration
136,731 s = 1 day, 13 hours, 58 minutes, 51 seconds
In other bases
ternary (3) 20221120010
quaternary (4) 201120123
quinary (5) 13333411
senary (6) 2533003
septenary (7) 1106430
nonary (9) 227503
undecimal (11) 93801
duodecimal (12) 67163
tridecimal (13) 4a30a
tetradecimal (14) 37b87
pentadecimal (15) 2a7a6

As an angle

136,731° = 379 × 360° + 291°
291° ≈ 5.079 rad
Compass bearing: WNW (west-northwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺
Greek (Milesian)
͵ρλϛψλαʹ
Mayan (base 20)
𝋱·𝋡·𝋰·𝋫
Chinese
一十三萬六千七百三十一
Chinese (financial)
壹拾參萬陸仟柒佰參拾壹
In other modern scripts
Eastern Arabic ١٣٦٧٣١ Devanagari १३६७३१ Bengali ১৩৬৭৩১ Tamil ௧௩௬௭௩௧ Thai ๑๓๖๗๓๑ Tibetan ༡༣༦༧༣༡ Khmer ១៣៦៧៣១ Lao ໑໓໖໗໓໑ Burmese ၁၃၆၇၃၁

Also seen as

Unicode codepoint
𡘛
CJK Unified Ideograph-2161B
U+2161B
Other letter (Lo)

UTF-8 encoding: F0 A1 98 9B (4 bytes).

Hex color
#02161B
RGB(2, 22, 27)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.22.27.

Address
0.2.22.27
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.22.27

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 136,731 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 136731 first appears in π at position 743,054 of the decimal expansion (the 743,054ordinal-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°.