Number

407

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

Arithmetic Number Deficient Number Evil Number Harshad / Niven Narcissistic / Armstrong Recamán's Sequence Semiprime Squarefree Year

Historical context — 407 AD

Calendar year

Year 407 (CDVII) was a common year starting on Tuesday of the Julian calendar.

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Historical context — 407 BC

Calendar year

Year 407 BC was a year of the pre-Julian Roman 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, 407
Ended on: Monday
December 31, 407
Friday the 13ths: 2
2 Friday the 13ths this year.
Decade: 400s
400–409
Century: 5th century
401–500
Millennium: 1st millennium
1–1000
Years ago: 1,619
1619 years before 2026.

In other calendars

Hebrew: 4167 / 4168 AM
Rosh Hashanah falls in September/October.
Chinese: Year of the zodiac:Fire zodiac:Goat
Sexagenary cycle position 44 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 950 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Ethiopian: 399 / 400 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 329 / 328 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 3
Digit sum: 11
Digit product: 0
Digital root: 2
Palindrome: No
Bit width: 9 bits
Reversed: 704
Recamán's sequence: a(502) = 407
Square (n²): 165,649
Cube (n³): 67,419,143
Divisor count: 4
σ(n) — sum of divisors: 456
φ(n) — Euler's totient: 360
Sum of prime factors: 48

Primality

Prime factorization: 11 × 37

Nearest primes: 401 (−6) · 409 (+2)

Divisors & multiples

All divisors (4)

1 · 11 · 37 · 407

Aliquot sum (sum of proper divisors): 49

Factor pairs (a × b = 407)

1 × 407

11 × 37

First multiples

407 · 814 (double) · 1,221 · 1,628 · 2,035 · 2,442 · 2,849 · 3,256 · 3,663 · 4,070

Sums & aliquot sequence

As consecutive integers: 203 + 204 32 + 33 + … + 42 8 + 9 + … + 29

Aliquot sequence: 407 → 49 → 8 → 7 → 1 → 0 — terminates at zero

Representations

In words: four hundred seven
Ordinal: 407th
Roman numeral: CDVII
Binary: 110010111
Octal: 627
Hexadecimal: 0x197
Base64: AZc=
One's complement: 65,128 (16-bit)

In other bases

ternary (3) 120002

quaternary (4) 12113

quinary (5) 3112

senary (6) 1515

septenary (7) 1121

nonary (9) 502

undecimal (11) 340

duodecimal (12) 29b

tridecimal (13) 254

tetradecimal (14) 211

pentadecimal (15) 1c2

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): υζʹ
Mayan (base 20): 𝋡·𝋠·𝋧
Chinese: 四百零七
Chinese (financial): 肆佰零柒

In other modern scripts

Eastern Arabic ٤٠٧ Devanagari ४०७ Bengali ৪০৭ Tamil ௪௦௭ Thai ๔๐๗ Tibetan ༤༠༧ Khmer ៤០៧ Lao ໔໐໗ Burmese ၄၀၇

Digit at this position in famous constants

π — Pi (π): Digit 407 = 2
e — Euler's number (e): Digit 407 = 8
φ — Golden ratio (φ): Digit 407 = 2
√2 — Pythagoras's (√2): Digit 407 = 8
ln 2 — Natural log of 2: Digit 407 = 3
γ — Euler-Mascheroni (γ): Digit 407 = 1

Also seen as

Unicode codepoint

Latin Capital Letter I With Stroke

U+0197

Uppercase letter (Lu)

UTF-8 encoding: C6 97 (2 bytes).

Lookup U+0197 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#000197

RGB(0, 1, 151)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.151.

Address: 0.0.1.151
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.1.151

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

NANP area code 407

The number 407 is an active NANP area code (North American Numbering Plan).

Primary area: Orlando
Region: Florida
Country: United States

Most NANP area codes have multiple overlays in dense regions; the primary area listed is the historic/largest population center for this code.

Look up area code 407 ↗