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20,701

20,701 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.).
Arithmetic Number Deficient Number Evil Number Recamán's Sequence Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
10
Digit product
0
Digital root
1
Palindrome
No
Bit width
15 bits
Reversed
10,702
Recamán's sequence
a(42,437) = 20,701
Square (n²)
428,531,401
Cube (n³)
8,871,028,532,101
Divisor count
4
σ(n) — sum of divisors
20,992
φ(n) — Euler's totient
20,412
Sum of prime factors
290

Primality

Prime factorization: 127 × 163

Nearest primes: 20,693 (−8) · 20,707 (+6)

Divisors & multiples

All divisors (4)
1 · 127 · 163 · 20701
Aliquot sum (sum of proper divisors): 291
Factor pairs (a × b = 20,701)
1 × 20701
127 × 163
First multiples
20,701 · 41,402 (double) · 62,103 · 82,804 · 103,505 · 124,206 · 144,907 · 165,608 · 186,309 · 207,010

Sums & aliquot sequence

As consecutive integers: 10,350 + 10,351 100 + 101 + … + 226 46 + 47 + … + 208
Aliquot sequence: 20,701 291 101 1 0 — terminates at zero

Representations

In words
twenty thousand seven hundred one
Ordinal
20701st
Binary
101000011011101
Octal
50335
Hexadecimal
0x50DD
Base64
UN0=
One's complement
44,834 (16-bit)
In other bases
ternary (3) 1001101201
quaternary (4) 11003131
quinary (5) 1130301
senary (6) 235501
septenary (7) 114232
nonary (9) 31351
undecimal (11) 1460a
duodecimal (12) bb91
tridecimal (13) 9565
tetradecimal (14) 7789
pentadecimal (15) 6201

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic
𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺
Greek (Milesian)
͵κψαʹ
Mayan (base 20)
𝋢·𝋫·𝋯·𝋡
Chinese
二萬零七百零一
Chinese (financial)
貳萬零柒佰零壹
In other modern scripts
Eastern Arabic ٢٠٧٠١ Devanagari २०७०१ Bengali ২০৭০১ Tamil ௨௦௭௦௧ Thai ๒๐๗๐๑ Tibetan ༢༠༧༠༡ Khmer ២០៧០១ Lao ໒໐໗໐໑ Burmese ၂၀၇၀၁

Digit at this position in famous constants

π — Pi (π)
Digit 20,701 = 4
e — Euler's number (e)
Digit 20,701 = 0
φ — Golden ratio (φ)
Digit 20,701 = 9
√2 — Pythagoras's (√2)
Digit 20,701 = 5
ln 2 — Natural log of 2
Digit 20,701 = 0
γ — Euler-Mascheroni (γ)
Digit 20,701 = 2

Also seen as

Unicode codepoint
CJK Unified Ideograph-50Dd
U+50DD
Other letter (Lo)

UTF-8 encoding: E5 83 9D (3 bytes).

Hex color
#0050DD
RGB(0, 80, 221)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.80.221.

Address
0.0.80.221
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.80.221

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

Position in π

The digit sequence 20701 first appears in π at position 128,432 of the decimal expansion (the 128,432ordinal-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.