Number

16,223

16,223 is a prime, odd.

Arithmetic Number Balanced Prime Deficient Number Emirp Evil Number Prime Recamán's Sequence Safe Prime Sexy Prime Squarefree

Properties

Parity: Odd
Digit count: 5
Digit sum: 14
Digit product: 72
Digital root: 5
Palindrome: No
Bit width: 14 bits
Reversed: 32,261
Recamán's sequence: a(18,266) = 16,223
Square (n²): 263,185,729
Cube (n³): 4,269,662,081,567
Divisor count: 2
σ(n) — sum of divisors: 16,224
φ(n) — Euler's totient: 16,222

Primality

16,223 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 16223

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 16,223)

1 × 16223

First multiples

16,223 · 32,446 (double) · 48,669 · 64,892 · 81,115 · 97,338 · 113,561 · 129,784 · 146,007 · 162,230

Sums & aliquot sequence

As consecutive integers: 8,111 + 8,112

Representations

In words: sixteen thousand two hundred twenty-three
Ordinal: 16223rd
Binary: 11111101011111
Octal: 37537
Hexadecimal: 0x3F5F
Base64: P18=
One's complement: 49,312 (16-bit)

In other bases

ternary (3) 211020212

quaternary (4) 3331133

quinary (5) 1004343

senary (6) 203035

septenary (7) 65204

nonary (9) 24225

undecimal (11) 11209

duodecimal (12) 947b

tridecimal (13) 74cc

tetradecimal (14) 5cab

pentadecimal (15) 4c18

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic: 𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓏺𓏺𓏺
Greek (Milesian): ͵ιϛσκγʹ
Mayan (base 20): 𝋢·𝋠·𝋫·𝋣
Chinese: 一萬六千二百二十三
Chinese (financial): 壹萬陸仟貳佰貳拾參

In other modern scripts

Eastern Arabic ١٦٢٢٣ Devanagari १६२२३ Bengali ১৬২২৩ Tamil ௧௬௨௨௩ Thai ๑๖๒๒๓ Tibetan ༡༦༢༢༣ Khmer ១៦២២៣ Lao ໑໖໒໒໓ Burmese ၁၆၂၂၃

Digit at this position in famous constants

π — Pi (π): Digit 16,223 = 4
e — Euler's number (e): Digit 16,223 = 3
φ — Golden ratio (φ): Digit 16,223 = 0
√2 — Pythagoras's (√2): Digit 16,223 = 3
ln 2 — Natural log of 2: Digit 16,223 = 9
γ — Euler-Mascheroni (γ): Digit 16,223 = 4

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 16,217 (gap of 6)
Next prime: 16,229 (gap of 6)

Pair status: sexy with 16217, sexy with 16229.

Unicode codepoint

㽟

CJK Unified Ideograph-3F5F

U+3F5F

Other letter (Lo)

UTF-8 encoding: E3 BD 9F (3 bytes).

Lookup U+3F5F on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#003F5F

RGB(0, 63, 95)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.63.95.

Address: 0.0.63.95
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.63.95

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

Position in π

The digit sequence 16223 first appears in π at position 29,141 of the decimal expansion (the 29,141ordinal-suffix:st 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 16223 on Pi Search ↗