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Number

29,021

29,021 is a prime, odd.

Arithmetic Number Chen Prime Cousin Prime Deficient Number Odious Number Prime Pythagorean Prime Recamán's Sequence Sexy Prime Sophie Germain Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
14
Digit product
0
Digital root
5
Palindrome
No
Bit width
15 bits
Reversed
12,092
Recamán's sequence
a(33,349) = 29,021
Square (n²)
842,218,441
Cube (n³)
24,442,021,376,261
Divisor count
2
σ(n) — sum of divisors
29,022
φ(n) — Euler's totient
29,020

Primality

29,021 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 29021
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 29,021)
1 × 29021
First multiples
29,021 · 58,042 (double) · 87,063 · 116,084 · 145,105 · 174,126 · 203,147 · 232,168 · 261,189 · 290,210

Sums & aliquot sequence

As a sum of two squares: 11² + 170²
As consecutive integers: 14,510 + 14,511

Representations

In words
twenty-nine thousand twenty-one
Ordinal
29021st
Binary
111000101011101
Octal
70535
Hexadecimal
0x715D
Base64
cV0=
One's complement
36,514 (16-bit)
In other bases
ternary (3) 1110210212
quaternary (4) 13011131
quinary (5) 1412041
senary (6) 342205
septenary (7) 150416
nonary (9) 43725
undecimal (11) 1a893
duodecimal (12) 14965
tridecimal (13) 10295
tetradecimal (14) a80d
pentadecimal (15) 88eb

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓏺
Greek (Milesian)
͵κθκαʹ
Mayan (base 20)
𝋣·𝋬·𝋫·𝋡
Chinese
二萬九千零二十一
Chinese (financial)
貳萬玖仟零貳拾壹
In other modern scripts
Eastern Arabic ٢٩٠٢١ Devanagari २९०२१ Bengali ২৯০২১ Tamil ௨௯௦௨௧ Thai ๒๙๐๒๑ Tibetan ༢༩༠༢༡ Khmer ២៩០២១ Lao ໒໙໐໒໑ Burmese ၂၉၀၂၁

Digit at this position in famous constants

π — Pi (π)
Digit 29,021 = 2
e — Euler's number (e)
Digit 29,021 = 5
φ — Golden ratio (φ)
Digit 29,021 = 4
√2 — Pythagoras's (√2)
Digit 29,021 = 3
ln 2 — Natural log of 2
Digit 29,021 = 8
γ — Euler-Mascheroni (γ)
Digit 29,021 = 8

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 29,017 (gap of 4)
  • Next prime: 29,023 (gap of 2)

Pair status: twin with 29023, cousin with 29017.

Unicode codepoint
CJK Unified Ideograph-715D
U+715D
Other letter (Lo)

UTF-8 encoding: E7 85 9D (3 bytes).

Hex color
#00715D
RGB(0, 113, 93)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.113.93.

Address
0.0.113.93
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.113.93

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

Position in π

The digit sequence 29021 first appears in π at position 713 of the decimal expansion (the 713ordinal-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.