Number

147

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

Arithmetic Number Ascending Digits Deficient Number Evil Number Recamán's Sequence Stepped Digits Year

Historical context — 147 AD

Calendar year

Year 147 (CXLVII) was a common year starting on Saturday of the Julian calendar.

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Historical context — 147 BC

Calendar year

Year 147 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: Sunday
January 1, 147
Ended on: Sunday
December 31, 147
Friday the 13ths: 2
2 Friday the 13ths this year.
Decade: 140s
140–149
Century: 2nd century
101–200
Millennium: 1st millennium
1–1000
Years ago: 1,879
1879 years before 2026.

In other calendars

Hebrew: 3907 / 3908 AM
Rosh Hashanah falls in September/October.
Chinese: Year of the zodiac:Fire zodiac:Pig
Sexagenary cycle position 24 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 690 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Ethiopian: 139 / 140 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 69 / 68 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 3
Digit sum: 12
Digit product: 28
Digital root: 3
Palindrome: No
Bit width: 8 bits
Reversed: 741
Recamán's sequence: a(738) = 147
Square (n²): 21,609
Cube (n³): 3,176,523
Divisor count: 6
σ(n) — sum of divisors: 228
φ(n) — Euler's totient: 84
Sum of prime factors: 17

Primality

Prime factorization: 3 × 7 ²

Nearest primes: 139 (−8) · 149 (+2)

Divisors & multiples

All divisors (6)

1 · 3 · 7 · 21 · 49 · 147

Aliquot sum (sum of proper divisors): 81

Factor pairs (a × b = 147)

1 × 147

3 × 49

7 × 21

First multiples

147 · 294 (double) · 441 · 588 · 735 · 882 · 1,029 · 1,176 · 1,323 · 1,470

Sums & aliquot sequence

As consecutive integers: 73 + 74 48 + 49 + 50 22 + 23 + 24 + 25 + 26 + 27 18 + 19 + … + 24

Aliquot sequence: 147 → 81 → 40 → 50 → 43 → 1 → 0 — terminates at zero

Representations

In words: one hundred forty-seven
Ordinal: 147th
Roman numeral: CXLVII
Binary: 10010011
Octal: 223
Hexadecimal: 0x93
Base64: kw==
One's complement: 108 (8-bit)

In other bases

ternary (3) 12110

quaternary (4) 2103

quinary (5) 1042

senary (6) 403

septenary (7) 300

nonary (9) 173

undecimal (11) 124

duodecimal (12) 103

tridecimal (13) b4

tetradecimal (14) a7

pentadecimal (15) 9c

Historical numeral systems

Babylonian (base 60): 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ρμζʹ
Mayan (base 20): 𝋧·𝋧
Chinese: 一百四十七
Chinese (financial): 壹佰肆拾柒

In other modern scripts

Eastern Arabic ١٤٧ Devanagari १४७ Bengali ১৪৭ Tamil ௧௪௭ Thai ๑๔๗ Tibetan ༡༤༧ Khmer ១៤៧ Lao ໑໔໗ Burmese ၁၄၇

Digit at this position in famous constants

π — Pi (π): Digit 147 = 0
e — Euler's number (e): Digit 147 = 9
φ — Golden ratio (φ): Digit 147 = 6
√2 — Pythagoras's (√2): Digit 147 = 9
ln 2 — Natural log of 2: Digit 147 = 5
γ — Euler-Mascheroni (γ): Digit 147 = 9

Also seen as

Unicode codepoint

Set Transmit State

U+0093

Control character (Cc)

UTF-8 encoding: C2 93 (2 bytes).

Lookup U+0093 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#000093

RGB(0, 0, 147)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.147.

Address: 0.0.0.147
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.0.147

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