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138,011

138,011 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.).

138,011 (one hundred thirty-eight thousand eleven) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 29 × 4,759. Written other ways, in hexadecimal, 0x21B1B.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
14
Digit product
0
Digital root
5
Palindrome
No
Bit width
18 bits
Reversed
110,831
Recamán's sequence
a(492,805) = 138,011
Square (n²)
19,047,036,121
Cube (n³)
2,628,700,502,095,331
Divisor count
4
σ(n) — sum of divisors
142,800
φ(n) — Euler's totient
133,224
Sum of prime factors
4,788

Primality

Prime factorization: 29 × 4759

Nearest primes: 138,007 (−4) · 138,041 (+30)

Divisors & multiples

All divisors (4)
1 · 29 · 4759 · 138011
Aliquot sum (sum of proper divisors): 4,789
Factor pairs (a × b = 138,011)
1 × 138011
29 × 4759
First multiples
138,011 · 276,022 (double) · 414,033 · 552,044 · 690,055 · 828,066 · 966,077 · 1,104,088 · 1,242,099 · 1,380,110

Sums & aliquot sequence

As consecutive integers: 69,005 + 69,006 4,745 + 4,746 + … + 4,773 2,351 + 2,352 + … + 2,408
Aliquot sequence: 138,011 4,789 1 0 — terminates at zero

Continued fraction of √n

√138,011 = [371; (2, 148, 10, 29, 1, 1, 1, 1, 1, 2, 2, 5, 1, 1, 9, 1, 11, 1, 9, 1, 1, 5, 2, 2, …)]

Period length 34 — the block in parentheses repeats forever.

Representations

In words
one hundred thirty-eight thousand eleven
Ordinal
138011th
Binary
100001101100011011
Octal
415433
Hexadecimal
0x21B1B
Base64
Ahsb
One's complement
4,294,829,284 (32-bit)
Scientific notation
1.38011 × 10⁵
As a duration
138,011 s = 1 day, 14 hours, 20 minutes, 11 seconds
In other bases
ternary (3) 21000022112
quaternary (4) 201230123
quinary (5) 13404021
senary (6) 2542535
septenary (7) 1113236
nonary (9) 230275
undecimal (11) 94765
duodecimal (12) 67a4b
tridecimal (13) 4aa83
tetradecimal (14) 3841d
pentadecimal (15) 2ad5b

As an angle

138,011° = 383 × 360° + 131°
131° ≈ 2.286 rad
Compass bearing: SE (southeast)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓏺
Greek (Milesian)
͵ρληιαʹ
Mayan (base 20)
𝋱·𝋥·𝋠·𝋫
Chinese
一十三萬八千零一十一
Chinese (financial)
壹拾參萬捌仟零壹拾壹
In other modern scripts
Eastern Arabic ١٣٨٠١١ Devanagari १३८०११ Bengali ১৩৮০১১ Tamil ௧௩௮௦௧௧ Thai ๑๓๘๐๑๑ Tibetan ༡༣༨༠༡༡ Khmer ១៣៨០១១ Lao ໑໓໘໐໑໑ Burmese ၁၃၈၀၁၁

Also seen as

Unicode codepoint
𡬛
CJK Unified Ideograph-21B1B
U+21B1B
Other letter (Lo)

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

Hex color
#021B1B
RGB(2, 27, 27)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.27.

Address
0.2.27.27
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.27.27

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 138,011 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 138011 first appears in π at position 682,171 of the decimal expansion (the 682,171ordinal-suffix:st 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.