number.wiki
Number

1,395

1,395 is a composite number, odd, a calendar year.

Arithmetic Number Deficient Number Gapful Number Odious Number Pernicious Number Recamán's Sequence Year

Historical context — 1395 AD

Calendar year

Year 1395 (MCCCXCV) was a common year starting on Friday of the Julian calendar, the 1395th year of the Common Era (CE) and Anno Domini (AD) designations, the 395th year of the 2nd millennium, the 95th year of the 14th century, and the 6th year of the 1390s decade.

Excerpt from Wikipedia (en) ↗ · Licensed CC BY-SA 4.0 · English fallback Read the full article on Wikipedia →

Year facts

Year type
Common year
Standard 365-day year; not divisible by 4 (or divisible by 100 but not 400).
Days in year
365
ISO weeks
53
Long year: contains 53 ISO weeks.
Started on
Thursday
January 1, 1395
Ended on
Thursday
December 31, 1395
Friday the 13ths
3
3 Friday the 13ths this year.
Decade
1390s
1390–1399
Century
14th century
1301–1400
Millennium
2nd millennium
1001–2000
Years ago
631
631 years before 2026.

In other calendars

Hebrew
5155 / 5156 AM
Rosh Hashanah falls in September/October.
Islamic Hijri
797 / 798 AH
Lunar calendar; year spans differ from Gregorian.
Chinese
Year of the zodiac:Wood zodiac:Pig
Sexagenary cycle position 12 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era
1938 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri
773 / 774 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian
1387 / 1388 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka)
1317 / 1316 Saka
Indian national calendar; year starts in March.

Properties

Parity
Odd
Digit count
4
Digit sum
18
Digit product
135
Digital root
9
Palindrome
No
Bit width
11 bits
Reversed
5,931
Recamán's sequence
a(8,338) = 1,395
Square (n²)
1,946,025
Cube (n³)
2,714,704,875
Divisor count
12
σ(n) — sum of divisors
2,496
φ(n) — Euler's totient
720
Sum of prime factors
42

Primality

Prime factorization: 3 2 × 5 × 31

Nearest primes: 1,381 (−14) · 1,399 (+4)

Divisors & multiples

All divisors (12)
1 · 3 · 5 · 9 · 15 · 31 · 45 · 93 · 155 · 279 · 465 · 1395
Aliquot sum (sum of proper divisors): 1,101
Factor pairs (a × b = 1,395)
1 × 1395
3 × 465
5 × 279
9 × 155
15 × 93
31 × 45
First multiples
1,395 · 2,790 (double) · 4,185 · 5,580 · 6,975 · 8,370 · 9,765 · 11,160 · 12,555 · 13,950

Sums & aliquot sequence

As consecutive integers: 697 + 698 464 + 465 + 466 277 + 278 + 279 + 280 + 281 230 + 231 + 232 + 233 + 234 + 235
Aliquot sequence: 1,395 1,101 371 61 1 0 — terminates at zero

Representations

In words
one thousand three hundred ninety-five
Ordinal
1395th
Roman numeral
MCCCXCV
Binary
10101110011
Octal
2563
Hexadecimal
0x573
Base64
BXM=
One's complement
64,140 (16-bit)
In other bases
ternary (3) 1220200
quaternary (4) 111303
quinary (5) 21040
senary (6) 10243
septenary (7) 4032
nonary (9) 1820
undecimal (11) 1059
duodecimal (12) 983
tridecimal (13) 834
tetradecimal (14) 719
pentadecimal (15) 630

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ατϟεʹ
Mayan (base 20)
𝋣·𝋩·𝋯
Chinese
一千三百九十五
Chinese (financial)
壹仟參佰玖拾伍
In other modern scripts
Eastern Arabic ١٣٩٥ Devanagari १३९५ Bengali ১৩৯৫ Tamil ௧௩௯௫ Thai ๑๓๙๕ Tibetan ༡༣༩༥ Khmer ១៣៩៥ Lao ໑໓໙໕ Burmese ၁၃၉၅

Digit at this position in famous constants

π — Pi (π)
Digit 1,395 = 6
e — Euler's number (e)
Digit 1,395 = 4
φ — Golden ratio (φ)
Digit 1,395 = 4
√2 — Pythagoras's (√2)
Digit 1,395 = 2
ln 2 — Natural log of 2
Digit 1,395 = 1
γ — Euler-Mascheroni (γ)
Digit 1,395 = 7

Also seen as

Unicode codepoint
ճ
Armenian Small Letter Cheh
U+0573
Lowercase letter (Ll)

UTF-8 encoding: D5 B3 (2 bytes).

Hex color
#000573
RGB(0, 5, 115)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.115.

Address
0.0.5.115
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.5.115

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Position in π

The digit sequence 1395 first appears in π at position 6,480 of the decimal expansion (the 6,480ordinal-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.