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20,241

20,241 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.).

20,241 (twenty thousand two hundred forty-one) is an odd 5-digit number. It is a composite number with 12 divisors, and factors as 3² × 13 × 173. Written other ways, in hexadecimal, 0x4F11.

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

Interestingness

Properties

Parity
Odd
Digit count
5
Digit sum
9
Digit product
0
Digital root
9
Palindrome
No
Bit width
15 bits
Reversed
14,202
Recamán's sequence
a(86,734) = 20,241
Square (n²)
409,698,081
Cube (n³)
8,292,698,857,521
Divisor count
12
σ(n) — sum of divisors
31,668
φ(n) — Euler's totient
12,384
Sum of prime factors
192

Primality

Prime factorization: 3 2 × 13 × 173

Nearest primes: 20,233 (−8) · 20,249 (+8)

Divisors & multiples

All divisors (12)
1 · 3 · 9 · 13 · 39 · 117 · 173 · 519 · 1557 · 2249 · 6747 · 20241
Aliquot sum (sum of proper divisors): 11,427
Factor pairs (a × b = 20,241)
1 × 20241
3 × 6747
9 × 2249
13 × 1557
39 × 519
117 × 173
First multiples
20,241 · 40,482 (double) · 60,723 · 80,964 · 101,205 · 121,446 · 141,687 · 161,928 · 182,169 · 202,410

Sums & aliquot sequence

As a sum of two squares: 60² + 129² = 96² + 105²
As consecutive integers: 10,120 + 10,121 6,746 + 6,747 + 6,748 3,371 + 3,372 + 3,373 + 3,374 + 3,375 + 3,376 2,245 + 2,246 + … + 2,253
Aliquot sequence: 20,241 11,427 5,037 2,067 957 483 285 195 141 51 21 11 1 0 — terminates at zero

Continued fraction of √n

√20,241 = [142; (3, 1, 2, 4, 12, 7, 31, 2, 9, 3, 7, 1, 4, 4, 1, 30, 1, 4, 4, 1, 7, 3, 9, 2, …)]

Period length 32 — the block in parentheses repeats forever.

Representations

In words
twenty thousand two hundred forty-one
Ordinal
20241st
Binary
100111100010001
Octal
47421
Hexadecimal
0x4F11
Base64
TxE=
One's complement
45,294 (16-bit)
Scientific notation
2.0241 × 10⁴
As a duration
20,241 s = 5 hours, 37 minutes, 21 seconds
In other bases
ternary (3) 1000202200
quaternary (4) 10330101
quinary (5) 1121431
senary (6) 233413
septenary (7) 113004
nonary (9) 30680
undecimal (11) 14231
duodecimal (12) b869
tridecimal (13) 92a0
tetradecimal (14) 753b
pentadecimal (15) 5ee6

As an angle

20,241° = 56 × 360° + 81°
81° ≈ 1.414 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓍢𓍢𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵κσμαʹ
Mayan (base 20)
𝋢·𝋪·𝋬·𝋡
Chinese
二萬零二百四十一
Chinese (financial)
貳萬零貳佰肆拾壹
In other modern scripts
Eastern Arabic ٢٠٢٤١ Devanagari २०२४१ Bengali ২০২৪১ Tamil ௨௦௨௪௧ Thai ๒๐๒๔๑ Tibetan ༢༠༢༤༡ Khmer ២០២៤១ Lao ໒໐໒໔໑ Burmese ၂၀၂၄၁

Digit at this position in famous constants

π — Pi (π)
Digit 20,241 = 7
e — Euler's number (e)
Digit 20,241 = 8
φ — Golden ratio (φ)
Digit 20,241 = 4
√2 — Pythagoras's (√2)
Digit 20,241 = 4
ln 2 — Natural log of 2
Digit 20,241 = 7
γ — Euler-Mascheroni (γ)
Digit 20,241 = 7

Also seen as

Unicode codepoint
CJK Unified Ideograph-4F11
U+4F11
Other letter (Lo)

UTF-8 encoding: E4 BC 91 (3 bytes).

Hex color
#004F11
RGB(0, 79, 17)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.79.17.

Address
0.0.79.17
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.79.17

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

Position in π

The digit sequence 20241 first appears in π at position 57,976 of the decimal expansion (the 57,976ordinal-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.

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.