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138,701

138,701 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.).

138,701 (one hundred thirty-eight thousand seven hundred one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 53 × 2,617. Written other ways, in hexadecimal, 0x21DCD.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
20
Digit product
0
Digital root
2
Palindrome
No
Bit width
18 bits
Reversed
107,831
Recamán's sequence
a(491,425) = 138,701
Square (n²)
19,237,967,401
Cube (n³)
2,668,325,316,486,101
Divisor count
4
σ(n) — sum of divisors
141,372
φ(n) — Euler's totient
136,032
Sum of prime factors
2,670

Primality

Prime factorization: 53 × 2617

Nearest primes: 138,683 (−18) · 138,727 (+26)

Divisors & multiples

All divisors (4)
1 · 53 · 2617 · 138701
Aliquot sum (sum of proper divisors): 2,671
Factor pairs (a × b = 138,701)
1 × 138701
53 × 2617
First multiples
138,701 · 277,402 (double) · 416,103 · 554,804 · 693,505 · 832,206 · 970,907 · 1,109,608 · 1,248,309 · 1,387,010

Sums & aliquot sequence

As a sum of two squares: 74² + 365² = 130² + 349²
As consecutive integers: 69,350 + 69,351 2,591 + 2,592 + … + 2,643 1,256 + 1,257 + … + 1,361
Aliquot sequence: 138,701 2,671 1 0 — terminates at zero

Continued fraction of √n

√138,701 = [372; (2, 2, 1, 6, 1, 2, 1, 3, 4, 1, 1, 6, 25, 1, 1, 7, 3, 43, 2, 56, 1, 4, 19, 1, …)]

Representations

In words
one hundred thirty-eight thousand seven hundred one
Ordinal
138701st
Binary
100001110111001101
Octal
416715
Hexadecimal
0x21DCD
Base64
Ah3N
One's complement
4,294,828,594 (32-bit)
Scientific notation
1.38701 × 10⁵
As a duration
138,701 s = 1 day, 14 hours, 31 minutes, 41 seconds
In other bases
ternary (3) 21001021002
quaternary (4) 201313031
quinary (5) 13414301
senary (6) 2550045
septenary (7) 1115243
nonary (9) 231232
undecimal (11) 95232
duodecimal (12) 68325
tridecimal (13) 4b194
tetradecimal (14) 38793
pentadecimal (15) 2b16b

As an angle

138,701° = 385 × 360° + 101°
101° ≈ 1.763 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺
Greek (Milesian)
͵ρληψαʹ
Mayan (base 20)
𝋱·𝋦·𝋯·𝋡
Chinese
一十三萬八千七百零一
Chinese (financial)
壹拾參萬捌仟柒佰零壹
In other modern scripts
Eastern Arabic ١٣٨٧٠١ Devanagari १३८७०१ Bengali ১৩৮৭০১ Tamil ௧௩௮௭௦௧ Thai ๑๓๘๗๐๑ Tibetan ༡༣༨༧༠༡ Khmer ១៣៨៧០១ Lao ໑໓໘໗໐໑ Burmese ၁၃၈၇၀၁

Also seen as

Unicode codepoint
𡷍
CJK Unified Ideograph-21Dcd
U+21DCD
Other letter (Lo)

UTF-8 encoding: F0 A1 B7 8D (4 bytes).

Hex color
#021DCD
RGB(2, 29, 205)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.29.205.

Address
0.2.29.205
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.29.205

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 138,701 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

  • Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.