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138,377

138,377 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.).

138,377 (one hundred thirty-eight thousand three hundred seventy-seven) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 19 × 7,283. Written other ways, in hexadecimal, 0x21C89.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
29
Digit product
3,528
Digital root
2
Palindrome
No
Bit width
18 bits
Reversed
773,831
Recamán's sequence
a(492,073) = 138,377
Square (n²)
19,148,194,129
Cube (n³)
2,649,669,658,988,633
Divisor count
4
σ(n) — sum of divisors
145,680
φ(n) — Euler's totient
131,076
Sum of prime factors
7,302

Primality

Prime factorization: 19 × 7283

Nearest primes: 138,373 (−4) · 138,389 (+12)

Divisors & multiples

All divisors (4)
1 · 19 · 7283 · 138377
Aliquot sum (sum of proper divisors): 7,303
Factor pairs (a × b = 138,377)
1 × 138377
19 × 7283
First multiples
138,377 · 276,754 (double) · 415,131 · 553,508 · 691,885 · 830,262 · 968,639 · 1,107,016 · 1,245,393 · 1,383,770

Sums & aliquot sequence

As consecutive integers: 69,188 + 69,189 7,274 + 7,275 + … + 7,292 3,623 + 3,624 + … + 3,660
Aliquot sequence: 138,377 7,303 177 63 41 1 0 — terminates at zero

Continued fraction of √n

√138,377 = [371; (1, 105, 3, 1, 1, 14, 1, 1, 1, 1, 2, 1, 2, 1, 1, 4, 23, 32, 3, 3, 2, 4, 5, 2, …)]

Period length 58 — the block in parentheses repeats forever.

Representations

In words
one hundred thirty-eight thousand three hundred seventy-seven
Ordinal
138377th
Binary
100001110010001001
Octal
416211
Hexadecimal
0x21C89
Base64
AhyJ
One's complement
4,294,828,918 (32-bit)
Scientific notation
1.38377 × 10⁵
As a duration
138,377 s = 1 day, 14 hours, 26 minutes, 17 seconds
In other bases
ternary (3) 21000211002
quaternary (4) 201302021
quinary (5) 13412002
senary (6) 2544345
septenary (7) 1114301
nonary (9) 230732
undecimal (11) 94a68
duodecimal (12) 680b5
tridecimal (13) 4aca5
tetradecimal (14) 38601
pentadecimal (15) 2b002

As an angle

138,377° = 384 × 360° + 137°
137° ≈ 2.391 rad
Compass bearing: SE (southeast)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλητοζʹ
Mayan (base 20)
𝋱·𝋥·𝋲·𝋱
Chinese
一十三萬八千三百七十七
Chinese (financial)
壹拾參萬捌仟參佰柒拾柒
In other modern scripts
Eastern Arabic ١٣٨٣٧٧ Devanagari १३८३७७ Bengali ১৩৮৩৭৭ Tamil ௧௩௮௩௭௭ Thai ๑๓๘๓๗๗ Tibetan ༡༣༨༣༧༧ Khmer ១៣៨៣៧៧ Lao ໑໓໘໓໗໗ Burmese ၁၃၈၃၇၇

Also seen as

Unicode codepoint
𡲉
CJK Unified Ideograph-21C89
U+21C89
Other letter (Lo)

UTF-8 encoding: F0 A1 B2 89 (4 bytes).

Hex color
#021C89
RGB(2, 28, 137)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.28.137.

Address
0.2.28.137
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.28.137

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 138,377 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.