Live analysis

4,961

4,961 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.).

4,961 (four thousand nine hundred sixty-one) is an odd 4-digit number. It is a composite number with 6 divisors, and factors as 11² × 41. Written other ways, in hexadecimal, 0x1361.

Arithmetic Number Cube-Free Deficient Number Evil Number Gapful Number Octagonal Recamán's Sequence

Interestingness

★ ★ ★ ☆ ☆

5 notable facts · grade C

4,949 4,950 4,951 4,952 4,953 4,954 4,955 4,956 4,957 4,958 4,959 4,960 4,961 4,962 4,963 4,964 4,965 4,966 4,967 4,968 4,969 4,970 4,971 4,972 4,973

less more

Properties

Parity: Odd
Digit count: 4
Digit sum: 20
Digit product: 216
Digital root: 2
Palindrome: No
Bit width: 13 bits
Reversed: 1,694
Recamán's sequence: a(28,206) = 4,961
Square (n²): 24,611,521
Cube (n³): 122,097,755,681
Divisor count: 6
σ(n) — sum of divisors: 5,586
φ(n) — Euler's totient: 4,400
Sum of prime factors: 63

Primality

Prime factorization: 11 ² × 41

Nearest primes: 4,957 (−4) · 4,967 (+6)

Divisors & multiples

All divisors (6)

1 · 11 · 41 · 121 · 451 · 4961

Aliquot sum (sum of proper divisors): 625

Factor pairs (a × b = 4,961)

1 × 4961

11 × 451

41 × 121

First multiples

4,961 · 9,922 (double) · 14,883 · 19,844 · 24,805 · 29,766 · 34,727 · 39,688 · 44,649 · 49,610

Sums & aliquot sequence

As a sum of two squares: 44² + 55²

As consecutive integers: 2,480 + 2,481 446 + 447 + … + 456 215 + 216 + … + 236 101 + 102 + … + 141

Aliquot sequence: 4,961 → 625 → 156 → 236 → 184 → 176 → 196 → 203 → 37 → 1 → 0 — terminates at zero

Continued fraction of √n

√4,961 = [70; (2, 3, 3, 4, 4, 5, 1, 7, 1, 27, 3, 2, 17, 5, 1, 1, 2, 1, 2, 1, 2, 1, 1, 5, …)]

Period length 38 — the block in parentheses repeats forever.

Representations

In words: four thousand nine hundred sixty-one
Ordinal: 4961st
Binary: 1001101100001
Octal: 11541
Hexadecimal: 0x1361
Base64: E2E=
One's complement: 60,574 (16-bit)
Scientific notation: 4.961 × 10³
As a duration: 4,961 s = 1 hour, 22 minutes, 41 seconds

In other bases

ternary (3) 20210202

quaternary (4) 1031201

quinary (5) 124321

senary (6) 34545

septenary (7) 20315

nonary (9) 6722

undecimal (11) 3800

duodecimal (12) 2a55

tridecimal (13) 2348

tetradecimal (14) 1b45

pentadecimal (15) 170b

As an angle

4,961° = 13 × 360° + 281°

281° ≈ 4.904 rad

Compass bearing: W (west)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹 𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian): ͵δϡξαʹ
Mayan (base 20): 𝋬·𝋨·𝋡
Chinese: 四千九百六十一
Chinese (financial): 肆仟玖佰陸拾壹

In other modern scripts

Eastern Arabic ٤٩٦١ Devanagari ४९६१ Bengali ৪৯৬১ Tamil ௪௯௬௧ Thai ๔๙๖๑ Tibetan ༤༩༦༡ Khmer ៤៩៦១ Lao ໔໙໖໑ Burmese ၄၉၆၁

Digit at this position in famous constants

π — Pi (π): Digit 4,961 = 1
e — Euler's number (e): Digit 4,961 = 3
φ — Golden ratio (φ): Digit 4,961 = 7
√2 — Pythagoras's (√2): Digit 4,961 = 4
ln 2 — Natural log of 2: Digit 4,961 = 3
γ — Euler-Mascheroni (γ): Digit 4,961 = 1

Also seen as

Unicode codepoint

፡

Ethiopic Wordspace

U+1361

Other punctuation (Po)

UTF-8 encoding: E1 8D A1 (3 bytes).

Lookup U+1361 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#001361

RGB(0, 19, 97)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.19.97.

Address: 0.0.19.97
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.19.97

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

Musical pitch

Heard as a frequency, 4,961 Hz is closest to:

Concert pitch (A4 = 440 Hz): D♯8 (4978 Hz, -6¢)
Scientific pitch (C4 = 256 Hz): D♯8 (4871 Hz, +32¢)
Baroque pitch (A4 = 415 Hz): E8 (4974.4 Hz, -5¢)

Position in π

The digit sequence 4961 first appears in π at position 10,541 of the decimal expansion (the 10,541ordinal-suffix:st 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 4961 on Pi Search ↗