Number

1,403

1,403 is a composite number, odd, a calendar year.

Arithmetic Number Deficient Number Evil Number Recamán's Sequence Semiprime Squarefree Year

Historical context — 1403 AD

Calendar year

Year 1403 (MCDIII) was a common year starting on Monday of the Julian calendar.

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: 52
Started on: Saturday
January 1, 1403
Ended on: Saturday
December 31, 1403
Friday the 13ths: 1
One Friday the 13th this year.
Decade: 1400s
1400–1409
Century: 15th century
1401–1500
Millennium: 2nd millennium
1001–2000
Years ago: 623
623 years before 2026.

In other calendars

Hebrew: 5163 / 5164 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 805 / 806 AH
Lunar calendar; year spans differ from Gregorian.
Chinese: Year of the zodiac:Water zodiac:Goat
Sexagenary cycle position 20 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 1946 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 781 / 782 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 1395 / 1396 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 1325 / 1324 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 4
Digit sum: 8
Digit product: 0
Digital root: 8
Palindrome: No
Bit width: 11 bits
Reversed: 3,041
Recamán's sequence: a(8,322) = 1,403
Square (n²): 1,968,409
Cube (n³): 2,761,677,827
Divisor count: 4
σ(n) — sum of divisors: 1,488
φ(n) — Euler's totient: 1,320
Sum of prime factors: 84

Primality

Prime factorization: 23 × 61

Nearest primes: 1,399 (−4) · 1,409 (+6)

Divisors & multiples

All divisors (4)

1 · 23 · 61 · 1403

Aliquot sum (sum of proper divisors): 85

Factor pairs (a × b = 1,403)

1 × 1403

23 × 61

First multiples

1,403 · 2,806 (double) · 4,209 · 5,612 · 7,015 · 8,418 · 9,821 · 11,224 · 12,627 · 14,030

Sums & aliquot sequence

As consecutive integers: 701 + 702 50 + 51 + … + 72 8 + 9 + … + 53

Aliquot sequence: 1,403 → 85 → 23 → 1 → 0 — terminates at zero

Representations

In words: one thousand four hundred three
Ordinal: 1403rd
Roman numeral: MCDIII
Binary: 10101111011
Octal: 2573
Hexadecimal: 0x57B
Base64: BXs=
One's complement: 64,132 (16-bit)

In other bases

ternary (3) 1220222

quaternary (4) 111323

quinary (5) 21103

senary (6) 10255

septenary (7) 4043

nonary (9) 1828

undecimal (11) 1066

duodecimal (12) 98b

tridecimal (13) 83c

tetradecimal (14) 723

pentadecimal (15) 638

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆼𓍢𓍢𓍢𓍢𓏺𓏺𓏺
Greek (Milesian): ͵αυγʹ
Mayan (base 20): 𝋣·𝋪·𝋣
Chinese: 一千四百零三
Chinese (financial): 壹仟肆佰零參

In other modern scripts

Eastern Arabic ١٤٠٣ Devanagari १४०३ Bengali ১৪০৩ Tamil ௧௪௦௩ Thai ๑๔๐๓ Tibetan ༡༤༠༣ Khmer ១៤០៣ Lao ໑໔໐໓ Burmese ၁၄၀၃

Digit at this position in famous constants

π — Pi (π): Digit 1,403 = 7
e — Euler's number (e): Digit 1,403 = 3
φ — Golden ratio (φ): Digit 1,403 = 0
√2 — Pythagoras's (√2): Digit 1,403 = 5
ln 2 — Natural log of 2: Digit 1,403 = 9
γ — Euler-Mascheroni (γ): Digit 1,403 = 9

Also seen as

Unicode codepoint

Armenian Small Letter Jheh

U+057B

Lowercase letter (Ll)

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

Lookup U+057B on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#00057B

RGB(0, 5, 123)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.123.

Address: 0.0.5.123
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.5.123

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

Position in π

The digit sequence 1403 first appears in π at position 6,053 of the decimal expansion (the 6,053ordinal-suffix:rd 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.

Look up 1403 on Pi Search ↗