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137,839

137,839 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.).

137,839 (one hundred thirty-seven thousand eight hundred thirty-nine) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 13 × 23 × 461. Written other ways, in hexadecimal, 0x21A6F.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
31
Digit product
4,536
Digital root
4
Palindrome
No
Bit width
18 bits
Reversed
938,731
Recamán's sequence
a(493,149) = 137,839
Square (n²)
18,999,589,921
Cube (n³)
2,618,884,475,120,719
Divisor count
8
σ(n) — sum of divisors
155,232
φ(n) — Euler's totient
121,440
Sum of prime factors
497

Primality

Prime factorization: 13 × 23 × 461

Nearest primes: 137,831 (−8) · 137,849 (+10)

Divisors & multiples

All divisors (8)
1 · 13 · 23 · 299 · 461 · 5993 · 10603 · 137839
Aliquot sum (sum of proper divisors): 17,393
Factor pairs (a × b = 137,839)
1 × 137839
13 × 10603
23 × 5993
299 × 461
First multiples
137,839 · 275,678 (double) · 413,517 · 551,356 · 689,195 · 827,034 · 964,873 · 1,102,712 · 1,240,551 · 1,378,390

Sums & aliquot sequence

As consecutive integers: 68,919 + 68,920 10,597 + 10,598 + … + 10,609 5,982 + 5,983 + … + 6,004 5,289 + 5,290 + … + 5,314
Aliquot sequence: 137,839 17,393 1 0 — terminates at zero

Continued fraction of √n

√137,839 = [371; (3, 1, 2, 1, 52, 3, 3, 1, 1, 3, 1, 14, 2, 1, 2, 6, 1, 2, 3, 4, 4, 1, 23, 1, …)]

Representations

In words
one hundred thirty-seven thousand eight hundred thirty-nine
Ordinal
137839th
Binary
100001101001101111
Octal
415157
Hexadecimal
0x21A6F
Base64
Ahpv
One's complement
4,294,829,456 (32-bit)
Scientific notation
1.37839 × 10⁵
As a duration
137,839 s = 1 day, 14 hours, 17 minutes, 19 seconds
In other bases
ternary (3) 21000002011
quaternary (4) 201221233
quinary (5) 13402324
senary (6) 2542051
septenary (7) 1112602
nonary (9) 230064
undecimal (11) 94619
duodecimal (12) 67927
tridecimal (13) 4a980
tetradecimal (14) 38339
pentadecimal (15) 2ac94

As an angle

137,839° = 382 × 360° + 319°
319° ≈ 5.568 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλζωλθʹ
Mayan (base 20)
𝋱·𝋤·𝋫·𝋳
Chinese
一十三萬七千八百三十九
Chinese (financial)
壹拾參萬柒仟捌佰參拾玖
In other modern scripts
Eastern Arabic ١٣٧٨٣٩ Devanagari १३७८३९ Bengali ১৩৭৮৩৯ Tamil ௧௩௭௮௩௯ Thai ๑๓๗๘๓๙ Tibetan ༡༣༧༨༣༩ Khmer ១៣៧៨៣៩ Lao ໑໓໗໘໓໙ Burmese ၁၃၇၈၃၉

Also seen as

Unicode codepoint
𡩯
CJK Unified Ideograph-21A6F
U+21A6F
Other letter (Lo)

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

Hex color
#021A6F
RGB(2, 26, 111)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.26.111.

Address
0.2.26.111
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.26.111

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 137,839 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 137839 first appears in π at position 227,038 of the decimal expansion (the 227,038ordinal-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