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138,317

138,317 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.).

138,317 (one hundred thirty-eight thousand three hundred seventeen) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 157 × 881. Written other ways, in hexadecimal, 0x21C4D.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
23
Digit product
504
Digital root
5
Palindrome
No
Bit width
18 bits
Reversed
713,831
Recamán's sequence
a(492,193) = 138,317
Square (n²)
19,131,592,489
Cube (n³)
2,646,224,478,301,013
Divisor count
4
σ(n) — sum of divisors
139,356
φ(n) — Euler's totient
137,280
Sum of prime factors
1,038

Primality

Prime factorization: 157 × 881

Nearest primes: 138,311 (−6) · 138,319 (+2)

Divisors & multiples

All divisors (4)
1 · 157 · 881 · 138317
Aliquot sum (sum of proper divisors): 1,039
Factor pairs (a × b = 138,317)
1 × 138317
157 × 881
First multiples
138,317 · 276,634 (double) · 414,951 · 553,268 · 691,585 · 829,902 · 968,219 · 1,106,536 · 1,244,853 · 1,383,170

Sums & aliquot sequence

As a sum of two squares: 26² + 371² = 179² + 326²
As consecutive integers: 69,158 + 69,159 803 + 804 + … + 959 284 + 285 + … + 597
Aliquot sequence: 138,317 1,039 1 0 — terminates at zero

Continued fraction of √n

√138,317 = [371; (1, 10, 9, 1, 2, 3, 2, 3, 8, 15, 16, 1, 5, 4, 1, 6, 57, 14, 3, 2, 19, 1, 2, 16, …)]

Representations

In words
one hundred thirty-eight thousand three hundred seventeen
Ordinal
138317th
Binary
100001110001001101
Octal
416115
Hexadecimal
0x21C4D
Base64
AhxN
One's complement
4,294,828,978 (32-bit)
Scientific notation
1.38317 × 10⁵
As a duration
138,317 s = 1 day, 14 hours, 25 minutes, 17 seconds
In other bases
ternary (3) 21000201212
quaternary (4) 201301031
quinary (5) 13411232
senary (6) 2544205
septenary (7) 1114154
nonary (9) 230655
undecimal (11) 94a13
duodecimal (12) 68065
tridecimal (13) 4ac5a
tetradecimal (14) 3859b
pentadecimal (15) 2aeb2

As an angle

138,317° = 384 × 360° + 77°
77° ≈ 1.344 rad
Compass bearing: ENE (east-northeast)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρλητιζʹ
Mayan (base 20)
𝋱·𝋥·𝋯·𝋱
Chinese
一十三萬八千三百一十七
Chinese (financial)
壹拾參萬捌仟參佰壹拾柒
In other modern scripts
Eastern Arabic ١٣٨٣١٧ Devanagari १३८३१७ Bengali ১৩৮৩১৭ Tamil ௧௩௮௩௧௭ Thai ๑๓๘๓๑๗ Tibetan ༡༣༨༣༡༧ Khmer ១៣៨៣១៧ Lao ໑໓໘໓໑໗ Burmese ၁၃၈၃၁၇

Also seen as

Unicode codepoint
𡱍
CJK Unified Ideograph-21C4D
U+21C4D
Other letter (Lo)

UTF-8 encoding: F0 A1 B1 8D (4 bytes).

Hex color
#021C4D
RGB(2, 28, 77)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.28.77.

Address
0.2.28.77
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.28.77

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 138,317 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.