Live analysis

3,749

3,749 is a composite number, odd.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

3,749 (three thousand seven hundred forty-nine) is an odd 4-digit number. It is a composite number with 4 divisors, and factors as 23 × 163. Written other ways, in Roman numerals it is MMMDCCXLIX and in binary, 111010100101.

Arithmetic Number Cube-Free Deficient Number Harshad / Niven Moran Number Odious Number Pernicious Number Recamán's Sequence Semiprime Squarefree

Interestingness

★ ★ ★ ★ ☆

7 notable facts · grade B

3,737 3,738 3,739 3,740 3,741 3,742 3,743 3,744 3,745 3,746 3,747 3,748 3,749 3,750 3,751 3,752 3,753 3,754 3,755 3,756 3,757 3,758 3,759 3,760 3,761

less more

Properties

Parity: Odd
Digit count: 4
Digit sum: 23
Digit product: 756
Digital root: 5
Palindrome: No
Bit width: 12 bits
Reversed: 9,473
Recamán's sequence: a(6,430) = 3,749
Square (n²): 14,055,001
Cube (n³): 52,692,198,749
Divisor count: 4
σ(n) — sum of divisors: 3,936
φ(n) — Euler's totient: 3,564
Sum of prime factors: 186

Primality

Prime factorization: 23 × 163

Nearest primes: 3,739 (−10) · 3,761 (+12)

Divisors & multiples

All divisors (4)

1 · 23 · 163 · 3749

Aliquot sum (sum of proper divisors): 187

Factor pairs (a × b = 3,749)

1 × 3749

23 × 163

First multiples

3,749 · 7,498 (double) · 11,247 · 14,996 · 18,745 · 22,494 · 26,243 · 29,992 · 33,741 · 37,490

Sums & aliquot sequence

As consecutive integers: 1,874 + 1,875 152 + 153 + … + 174 59 + 60 + … + 104

Aliquot sequence: 3,749 → 187 → 29 → 1 → 0 — terminates at zero

Continued fraction of √n

√3,749 = [61; (4, 2, 1, 2, 1, 4, 5, 1, 10, 3, 2, 2, 5, 1, 2, 2, 6, 1, 3, 1, 1, 30, 17, 2, …)]

Representations

In words: three thousand seven hundred forty-nine
Ordinal: 3749th
Roman numeral: MMMDCCXLIX
Binary: 111010100101
Octal: 7245
Hexadecimal: 0xEA5
Base64: DqU=
One's complement: 61,786 (16-bit)
Scientific notation: 3.749 × 10³
As a duration: 3,749 s = 1 hour, 2 minutes, 29 seconds

In other bases

ternary (3) 12010212

quaternary (4) 322211

quinary (5) 104444

senary (6) 25205

septenary (7) 13634

nonary (9) 5125

undecimal (11) 28a9

duodecimal (12) 2205

tridecimal (13) 1925

tetradecimal (14) 151b

pentadecimal (15) 119e

As an angle

3,749° = 10 × 360° + 149°

149° ≈ 2.601 rad

Compass bearing: SSE (south-southeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹 𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵γψμθʹ
Mayan (base 20): 𝋩·𝋧·𝋩
Chinese: 三千七百四十九
Chinese (financial): 參仟柒佰肆拾玖

In other modern scripts

Eastern Arabic ٣٧٤٩ Devanagari ३७४९ Bengali ৩৭৪৯ Tamil ௩௭௪௯ Thai ๓๗๔๙ Tibetan ༣༧༤༩ Khmer ៣៧៤៩ Lao ໓໗໔໙ Burmese ၃၇၄၉

Digit at this position in famous constants

π — Pi (π): Digit 3,749 = 7
e — Euler's number (e): Digit 3,749 = 7
φ — Golden ratio (φ): Digit 3,749 = 4
√2 — Pythagoras's (√2): Digit 3,749 = 7
ln 2 — Natural log of 2: Digit 3,749 = 7
γ — Euler-Mascheroni (γ): Digit 3,749 = 1

Also seen as

Unicode codepoint

ລ

Lao Letter Lo Loot

U+0EA5

Other letter (Lo)

UTF-8 encoding: E0 BA A5 (3 bytes).

Lookup U+0EA5 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#000EA5

RGB(0, 14, 165)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.14.165.

Address: 0.0.14.165
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.14.165

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

Musical pitch

Heard as a frequency, 3,749 Hz is closest to:

Concert pitch (A4 = 440 Hz): A♯7 (3729.3 Hz, +9¢)
Scientific pitch (C4 = 256 Hz): A♯7 (3649.1 Hz, +47¢ — about midway to B7)
Baroque pitch (A4 = 415 Hz): B7 (3726.6 Hz, +10¢)

Position in π

The digit sequence 3749 first appears in π at position 13,969 of the decimal expansion (the 13,969ordinal-suffix:th 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 3749 on Pi Search ↗