1,370
1,370 is a composite number, even, a calendar year.
Historical context — 1370 AD
Calendar year
Year 1370 (MCCCLXX) was a common year starting on Tuesday of the Julian calendar.
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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
-
Monday
January 1, 1370
- Ended on
-
Monday
December 31, 1370
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Decade
-
1370s
1370–1379
- Century
-
14th century
1301–1400
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
656
656 years before 2026.
In other calendars
- Hebrew
-
5130 / 5131 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
771 / 772 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Metal zodiac:Dog
Sexagenary cycle position 47 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
1913 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
748 / 749 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1362 / 1363 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1292 / 1291 Saka
Indian national calendar; year starts in March.
Properties
Primality
Prime factorization: 2 × 5 × 137
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand three hundred seventy
- Ordinal
- 1370th
- Roman numeral
- MCCCLXX
- Binary
- 10101011010
- Octal
- 2532
- Hexadecimal
- 0x55A
- Base64
- BVo=
- One's complement
- 64,165 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ατοʹ
- Mayan (base 20)
- 𝋣·𝋨·𝋪
- Chinese
- 一千三百七十
- Chinese (financial)
- 壹仟參佰柒拾
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,370 = 2
- e — Euler's number (e)
- Digit 1,370 = 4
- φ — Golden ratio (φ)
- Digit 1,370 = 8
- √2 — Pythagoras's (√2)
- Digit 1,370 = 5
- ln 2 — Natural log of 2
- Digit 1,370 = 5
- γ — Euler-Mascheroni (γ)
- Digit 1,370 = 0
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1370, here are decompositions:
- 3 + 1367 = 1370
- 43 + 1327 = 1370
- 67 + 1303 = 1370
- 73 + 1297 = 1370
- 79 + 1291 = 1370
- 139 + 1231 = 1370
- 157 + 1213 = 1370
- 199 + 1171 = 1370
Showing the first eight; more decompositions exist.
UTF-8 encoding: D5 9A (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.90.
- Address
- 0.0.5.90
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.5.90
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1370 first appears in π at position 16,051 of the decimal expansion (the 16,051ordinal-suffix:st 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.