Live analysis

26,001

26,001 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.).

26,001 (twenty-six thousand one) is an odd 5-digit number. It is a composite number with 12 divisors, and factors as 3⁵ × 107. Written other ways, in hexadecimal, 0x6591.

Arithmetic Number Decagonal Deficient Number Harshad / Niven Odious Number Pernicious Number Recamán's Sequence

Interestingness

★ ★ ☆ ☆ ☆

4 notable facts · grade D

25,989 25,990 25,991 25,992 25,993 25,994 25,995 25,996 25,997 25,998 25,999 26,000 26,001 26,002 26,003 26,004 26,005 26,006 26,007 26,008 26,009 26,010 26,011 26,012 26,013

less more

Properties

Parity: Odd
Digit count: 5
Digit sum: 9
Digit product: 0
Digital root: 9
Palindrome: No
Bit width: 15 bits
Reversed: 10,062
Recamán's sequence: a(164,789) = 26,001
Square (n²): 676,052,001
Cube (n³): 17,578,028,078,001
Divisor count: 12
σ(n) — sum of divisors: 39,312
φ(n) — Euler's totient: 17,172
Sum of prime factors: 122

Primality

Prime factorization: 3 ⁵ × 107

Nearest primes: 25,999 (−2) · 26,003 (+2)

Divisors & multiples

All divisors (12)

1 · 3 · 9 · 27 · 81 · 107 · 243 · 321 · 963 · 2889 · 8667 · 26001

Aliquot sum (sum of proper divisors): 13,311

Factor pairs (a × b = 26,001)

1 × 26001

3 × 8667

9 × 2889

27 × 963

81 × 321

107 × 243

First multiples

26,001 · 52,002 (double) · 78,003 · 104,004 · 130,005 · 156,006 · 182,007 · 208,008 · 234,009 · 260,010

Sums & aliquot sequence

As consecutive integers: 13,000 + 13,001 8,666 + 8,667 + 8,668 4,331 + 4,332 + 4,333 + 4,334 + 4,335 + 4,336 2,885 + 2,886 + … + 2,893

Aliquot sequence: 26,001 → 13,311 → 8,289 → 4,031 → 169 → 14 → 10 → 8 → 7 → 1 → 0 — terminates at zero

Continued fraction of √n

√26,001 = [161; (4, 35, 1, 1, 2, 1, 1, 35, 4, 322)]

Period length 10 — the block in parentheses repeats forever.

Representations

In words: twenty-six thousand one
Ordinal: 26001st
Binary: 110010110010001
Octal: 62621
Hexadecimal: 0x6591
Base64: ZZE=
One's complement: 39,534 (16-bit)
Scientific notation: 2.6001 × 10⁴
As a duration: 26,001 s = 7 hours, 13 minutes, 21 seconds

In other bases

ternary (3) 1022200000

quaternary (4) 12112101

quinary (5) 1313001

senary (6) 320213

septenary (7) 135543

nonary (9) 38600

undecimal (11) 18598

duodecimal (12) 13069

tridecimal (13) bab1

tetradecimal (14) 9693

pentadecimal (15) 7a86

As an angle

26,001° = 72 × 360° + 81°

81° ≈ 1.414 rad

Compass bearing: E (east)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓏺
Greek (Milesian): ͵κϛαʹ
Mayan (base 20): 𝋣·𝋥·𝋠·𝋡
Chinese: 二萬六千零一
Chinese (financial): 貳萬陸仟零壹

In other modern scripts

Eastern Arabic ٢٦٠٠١ Devanagari २६००१ Bengali ২৬০০১ Tamil ௨௬௦௦௧ Thai ๒๖๐๐๑ Tibetan ༢༦༠༠༡ Khmer ២៦០០១ Lao ໒໖໐໐໑ Burmese ၂၆၀၀၁

Digit at this position in famous constants

π — Pi (π): Digit 26,001 = 8
e — Euler's number (e): Digit 26,001 = 4
φ — Golden ratio (φ): Digit 26,001 = 1
√2 — Pythagoras's (√2): Digit 26,001 = 3
ln 2 — Natural log of 2: Digit 26,001 = 1
γ — Euler-Mascheroni (γ): Digit 26,001 = 7

Also seen as

Unicode codepoint

斑

CJK Unified Ideograph-6591

U+6591

Other letter (Lo)

UTF-8 encoding: E6 96 91 (3 bytes).

Lookup U+6591 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#006591

RGB(0, 101, 145)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.101.145.

Address: 0.0.101.145
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.101.145

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

Position in π

The digit sequence 26001 first appears in π at position 62,302 of the decimal expansion (the 62,302ordinal-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 26001 on Pi Search ↗