Live analysis

3,698

3,698 is a composite number, even.

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.).

3,698 (three thousand six hundred ninety-eight) is an even 4-digit number. It is a composite number with 6 divisors, and factors as 2 × 43². Written other ways, in Roman numerals it is MMMDCXCVIII and in binary, 111001110010.

Cube-Free Deficient Number Happy Number Odious Number Pernicious Number Recamán's Sequence

Interestingness

★ ☆ ☆ ☆ ☆

3 notable facts · grade F

3,686 3,687 3,688 3,689 3,690 3,691 3,692 3,693 3,694 3,695 3,696 3,697 3,698 3,699 3,700 3,701 3,702 3,703 3,704 3,705 3,706 3,707 3,708 3,709 3,710

less more

Properties

Parity: Even
Digit count: 4
Digit sum: 26
Digit product: 1,296
Digital root: 8
Palindrome: No
Bit width: 12 bits
Reversed: 8,963
Recamán's sequence: a(1,024) = 3,698
Square (n²): 13,675,204
Cube (n³): 50,570,904,392
Divisor count: 6
σ(n) — sum of divisors: 5,679
φ(n) — Euler's totient: 1,806
Sum of prime factors: 88

Primality

Prime factorization: 2 × 43 ²

Nearest primes: 3,697 (−1) · 3,701 (+3)

Divisors & multiples

All divisors (6)

1 · 2 · 43 · 86 · 1849 (half) · 3698

Aliquot sum (sum of proper divisors): 1,981

Factor pairs (a × b = 3,698)

1 × 3698

2 × 1849

43 × 86

First multiples

3,698 · 7,396 (double) · 11,094 · 14,792 · 18,490 · 22,188 · 25,886 · 29,584 · 33,282 · 36,980

Sums & aliquot sequence

As a sum of two squares: 43² + 43²

As consecutive integers: 923 + 924 + 925 + 926 65 + 66 + … + 107

Aliquot sequence: 3,698 → 1,981 → 291 → 101 → 1 → 0 — terminates at zero

Continued fraction of √n

√3,698 = [60; (1, 4, 3, 2, 1, 1, 1, 8, 17, 3, 1, 6, 2, 2, 60, 2, 2, 6, 1, 3, 17, 8, 1, 1, …)]

Period length 30 — the block in parentheses repeats forever.

Representations

In words: three thousand six hundred ninety-eight
Ordinal: 3698th
Roman numeral: MMMDCXCVIII
Binary: 111001110010
Octal: 7162
Hexadecimal: 0xE72
Base64: DnI=
One's complement: 61,837 (16-bit)
Scientific notation: 3.698 × 10³
As a duration: 3,698 s = 1 hour, 1 minute, 38 seconds

In other bases

ternary (3) 12001222

quaternary (4) 321302

quinary (5) 104243

senary (6) 25042

septenary (7) 13532

nonary (9) 5058

undecimal (11) 2862

duodecimal (12) 2182

tridecimal (13) 18b6

tetradecimal (14) 14c2

pentadecimal (15) 1168

As an angle

3,698° = 10 × 360° + 98°

98° ≈ 1.71 rad

Compass bearing: E (east)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹 𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵γχϟηʹ
Mayan (base 20): 𝋩·𝋤·𝋲
Chinese: 三千六百九十八
Chinese (financial): 參仟陸佰玖拾捌

In other modern scripts

Eastern Arabic ٣٦٩٨ Devanagari ३६९८ Bengali ৩৬৯৮ Tamil ௩௬௯௮ Thai ๓๖๙๘ Tibetan ༣༦༩༨ Khmer ៣៦៩៨ Lao ໓໖໙໘ Burmese ၃၆၉၈

Digit at this position in famous constants

π — Pi (π): Digit 3,698 = 5
e — Euler's number (e): Digit 3,698 = 1
φ — Golden ratio (φ): Digit 3,698 = 6
√2 — Pythagoras's (√2): Digit 3,698 = 0
ln 2 — Natural log of 2: Digit 3,698 = 2
γ — Euler-Mascheroni (γ): Digit 3,698 = 0

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 3698, here are decompositions:

7 + 3691 = 3698
61 + 3637 = 3698
67 + 3631 = 3698
127 + 3571 = 3698
139 + 3559 = 3698
151 + 3547 = 3698
157 + 3541 = 3698
181 + 3517 = 3698

Showing the first eight; more decompositions exist.

Hex color

#000E72

RGB(0, 14, 114)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.14.114.

Address: 0.0.14.114
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.14.114

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

Musical pitch

Heard as a frequency, 3,698 Hz is closest to:

Concert pitch (A4 = 440 Hz): A♯7 (3729.3 Hz, -15¢)
Scientific pitch (C4 = 256 Hz): A♯7 (3649.1 Hz, +23¢)
Baroque pitch (A4 = 415 Hz): B7 (3726.6 Hz, -13¢)

Position in π

The digit sequence 3698 first appears in π at position 1,552 of the decimal expansion (the 1,552ordinal-suffix:nd 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 3698 on Pi Search ↗