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Number

377

377 is a composite number, odd, a calendar year.

377 (three hundred seventy-seven) is an odd 3-digit number. It is a composite number with 4 divisors, and factors as 13 × 29. It is a Fibonacci number. Written other ways, in Roman numerals it is CCCLXXVII and in binary, 101111001.

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

Interestingness

6 notable facts · grade B
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Historical context — 377 AD

Calendar year

Year 377 (CCCLXXVII) was a common year starting on Sunday of the Julian calendar.

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

Historical context — 377 BC

Calendar year

Year 377 BC was a year of the pre-Julian Roman calendar.

Excerpt from Wikipedia (en) ↗ · Licensed CC BY-SA 4.0 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, 377
Ended on
Saturday
December 31, 377
Friday the 13ths
1
One Friday the 13th this year.
Decade
370s
370–379
Century
4th century
301–400
Millennium
1st millennium
1–1000
Years ago
1,649
1649 years before 2026.

In other calendars

Hebrew
4137 / 4138 AM
Rosh Hashanah falls in September/October.
Chinese
Year of the zodiac:Fire zodiac:Ox
Sexagenary cycle position 14 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era
920 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Ethiopian
369 / 370 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka)
299 / 298 Saka
Indian national calendar; year starts in March.

Properties

Parity
Odd
Digit count
3
Digit sum
17
Digit product
147
Digital root
8
Palindrome
No
Bit width
9 bits
Reversed
773
Recamán's sequence
a(118) = 377
Square (n²)
142,129
Cube (n³)
53,582,633
Divisor count
4
σ(n) — sum of divisors
420
φ(n) — Euler's totient
336
Sum of prime factors
42

Primality

Prime factorization: 13 × 29

Nearest primes: 373 (−4) · 379 (+2)

Divisors & multiples

All divisors (4)
1 · 13 · 29 · 377
Aliquot sum (sum of proper divisors): 43
Factor pairs (a × b = 377)
1 × 377
13 × 29
First multiples
377 · 754 (double) · 1,131 · 1,508 · 1,885 · 2,262 · 2,639 · 3,016 · 3,393 · 3,770

Sums & aliquot sequence

As a sum of two squares: 4² + 19² = 11² + 16²
As consecutive integers: 188 + 189 23 + 24 + … + 35 2 + 3 + … + 27
Aliquot sequence: 377 43 1 0 — terminates at zero

Continued fraction of √n

√377 = [19; (2, 2, 2, 38)]

Period length 4 — the block in parentheses repeats forever.

Representations

In words
three hundred seventy-seven
Ordinal
377th
Roman numeral
CCCLXXVII
Binary
101111001
Octal
571
Hexadecimal
0x179
Base64
AXk=
One's complement
65,158 (16-bit)
Scientific notation
3.77 × 10²
As a duration
377 s = 6 minutes, 17 seconds
In other bases
ternary (3) 111222
quaternary (4) 11321
quinary (5) 3002
senary (6) 1425
septenary (7) 1046
nonary (9) 458
undecimal (11) 313
duodecimal (12) 275
tridecimal (13) 230
tetradecimal (14) 1cd
pentadecimal (15) 1a2
Palindromic in base 11

As an angle

377° = 1 × 360° + 17°
17° ≈ 0.297 rad
Compass bearing: NNE (north-northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
τοζʹ
Mayan (base 20)
𝋲·𝋱
Chinese
三百七十七
Chinese (financial)
參佰柒拾柒
In other modern scripts
Eastern Arabic ٣٧٧ Devanagari ३७७ Bengali ৩৭৭ Tamil ௩௭௭ Thai ๓๗๗ Tibetan ༣༧༧ Khmer ៣៧៧ Lao ໓໗໗ Burmese ၃၇၇

Digit at this position in famous constants

π — Pi (π)
Digit 377 = 4
e — Euler's number (e)
Digit 377 = 7
φ — Golden ratio (φ)
Digit 377 = 9
√2 — Pythagoras's (√2)
Digit 377 = 8
ln 2 — Natural log of 2
Digit 377 = 4
γ — Euler-Mascheroni (γ)
Digit 377 = 0

Also seen as

Unicode codepoint
Ź
Latin Capital Letter Z With Acute
U+0179
Uppercase letter (Lu)

UTF-8 encoding: C5 B9 (2 bytes).

Hex color
#000179
RGB(0, 1, 121)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.121.

Address
0.0.1.121
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.1.121

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

Musical pitch

Heard as a frequency, 377 Hz is closest to:

  • Concert pitch (A4 = 440 Hz): F♯4 (370 Hz, +32¢)
  • Scientific pitch (C4 = 256 Hz): G4 (383.6 Hz, -30¢)
  • Baroque pitch (A4 = 415 Hz): G4 (369.7 Hz, +34¢)

Related reading

  • Fibonacci numbers — The sequence where each term is the sum of the two before it — and why it turns up everywhere.
  • Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.