Live analysis

9,971

9,971 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.).

9,971 (nine thousand nine hundred seventy-one) is an odd 4-digit number. It is a composite number with 6 divisors, and factors as 13² × 59. Written other ways, in hexadecimal, 0x26F3.

Arithmetic Number Cube-Free Deficient Number Odious Number Recamán's Sequence Self Number

Interestingness

★ ★ ☆ ☆ ☆

4 notable facts · grade D

9,959 9,960 9,961 9,962 9,963 9,964 9,965 9,966 9,967 9,968 9,969 9,970 9,971 9,972 9,973 9,974 9,975 9,976 9,977 9,978 9,979 9,980 9,981 9,982 9,983

less more

Properties

Parity: Odd
Digit count: 4
Digit sum: 26
Digit product: 567
Digital root: 8
Palindrome: No
Bit width: 14 bits
Reversed: 1,799
Recamán's sequence: a(7,273) = 9,971
Square (n²): 99,420,841
Cube (n³): 991,325,205,611
Divisor count: 6
σ(n) — sum of divisors: 10,980
φ(n) — Euler's totient: 9,048
Sum of prime factors: 85

Primality

Prime factorization: 13 ² × 59

Nearest primes: 9,967 (−4) · 9,973 (+2)

Divisors & multiples

All divisors (6)

1 · 13 · 59 · 169 · 767 · 9971

Aliquot sum (sum of proper divisors): 1,009

Factor pairs (a × b = 9,971)

1 × 9971

13 × 767

59 × 169

First multiples

9,971 · 19,942 (double) · 29,913 · 39,884 · 49,855 · 59,826 · 69,797 · 79,768 · 89,739 · 99,710

Sums & aliquot sequence

As consecutive integers: 4,985 + 4,986 761 + 762 + … + 773 371 + 372 + … + 396 140 + 141 + … + 198

Aliquot sequence: 9,971 → 1,009 → 1 → 0 — terminates at zero

Continued fraction of √n

√9,971 = [99; (1, 5, 1, 8, 4, 1, 1, 7, 2, 3, 3, 2, 1, 11, 19, 1, 7, 1, 2, 1, 2, 1, 7, 1, …)]

Period length 40 — the block in parentheses repeats forever.

Representations

In words: nine thousand nine hundred seventy-one
Ordinal: 9971st
Binary: 10011011110011
Octal: 23363
Hexadecimal: 0x26F3
Base64: JvM=
One's complement: 55,564 (16-bit)
Scientific notation: 9.971 × 10³
As a duration: 9,971 s = 2 hours, 46 minutes, 11 seconds

In other bases

ternary (3) 111200022

quaternary (4) 2123303

quinary (5) 304341

senary (6) 114055

septenary (7) 41033

nonary (9) 14608

undecimal (11) 7545

duodecimal (12) 592b

tridecimal (13) 4700

tetradecimal (14) 38c3

pentadecimal (15) 2e4b

As an angle

9,971° = 27 × 360° + 251°

251° ≈ 4.381 rad

Compass bearing: WSW (west-southwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹
Egyptian hieroglyphic: 𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian): ͵θϡοαʹ
Mayan (base 20): 𝋡·𝋤·𝋲·𝋫
Chinese: 九千九百七十一
Chinese (financial): 玖仟玖佰柒拾壹

In other modern scripts

Eastern Arabic ٩٩٧١ Devanagari ९९७१ Bengali ৯৯৭১ Tamil ௯௯௭௧ Thai ๙๙๗๑ Tibetan ༩༩༧༡ Khmer ៩៩៧១ Lao ໙໙໗໑ Burmese ၉၉၇၁

Digit at this position in famous constants

π — Pi (π): Digit 9,971 = 6
e — Euler's number (e): Digit 9,971 = 2
φ — Golden ratio (φ): Digit 9,971 = 5
√2 — Pythagoras's (√2): Digit 9,971 = 0
ln 2 — Natural log of 2: Digit 9,971 = 9
γ — Euler-Mascheroni (γ): Digit 9,971 = 4

Also seen as

Unicode codepoint

⛳

Flag In Hole

U+26F3

Other symbol (So)

UTF-8 encoding: E2 9B B3 (3 bytes).

Lookup U+26F3 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0026F3

RGB(0, 38, 243)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.38.243.

Address: 0.0.38.243
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.38.243

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

Musical pitch

Heard as a frequency, 9,971 Hz is closest to:

Concert pitch (A4 = 440 Hz): D♯9 (9956.1 Hz, +3¢)
Scientific pitch (C4 = 256 Hz): D♯9 (9742 Hz, +40¢)
Baroque pitch (A4 = 415 Hz): E9 (9948.8 Hz, +4¢)

Position in π

The digit sequence 9971 first appears in π at position 3,710 of the decimal expansion (the 3,710ordinal-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 9971 on Pi Search ↗