Number

16,427

16,427 is a prime, odd.

Arithmetic Number Balanced Prime Chen Prime Deficient Number Emirp Odious Number Pernicious Number Prime Recamán's Sequence Sexy Prime Squarefree

Properties

Parity: Odd
Digit count: 5
Digit sum: 20
Digit product: 336
Digital root: 2
Palindrome: No
Bit width: 15 bits
Reversed: 72,461
Recamán's sequence: a(17,858) = 16,427
Square (n²): 269,846,329
Cube (n³): 4,432,765,646,483
Divisor count: 2
σ(n) — sum of divisors: 16,428
φ(n) — Euler's totient: 16,426

Primality

16,427 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 16427

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 16,427)

1 × 16427

First multiples

16,427 · 32,854 (double) · 49,281 · 65,708 · 82,135 · 98,562 · 114,989 · 131,416 · 147,843 · 164,270

Sums & aliquot sequence

As consecutive integers: 8,213 + 8,214

Representations

In words: sixteen thousand four hundred twenty-seven
Ordinal: 16427th
Binary: 100000000101011
Octal: 40053
Hexadecimal: 0x402B
Base64: QCs=
One's complement: 49,108 (16-bit)

In other bases

ternary (3) 211112102

quaternary (4) 10000223

quinary (5) 1011202

senary (6) 204015

septenary (7) 65615

nonary (9) 24472

undecimal (11) 11384

duodecimal (12) 960b

tridecimal (13) 7628

tetradecimal (14) 5db5

pentadecimal (15) 4d02

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵ιϛυκζʹ
Mayan (base 20): 𝋢·𝋡·𝋡·𝋧
Chinese: 一萬六千四百二十七
Chinese (financial): 壹萬陸仟肆佰貳拾柒

In other modern scripts

Eastern Arabic ١٦٤٢٧ Devanagari १६४२७ Bengali ১৬৪২৭ Tamil ௧௬௪௨௭ Thai ๑๖๔๒๗ Tibetan ༡༦༤༢༧ Khmer ១៦៤២៧ Lao ໑໖໔໒໗ Burmese ၁၆၄၂၇

Digit at this position in famous constants

π — Pi (π): Digit 16,427 = 0
e — Euler's number (e): Digit 16,427 = 4
φ — Golden ratio (φ): Digit 16,427 = 3
√2 — Pythagoras's (√2): Digit 16,427 = 7
ln 2 — Natural log of 2: Digit 16,427 = 8
γ — Euler-Mascheroni (γ): Digit 16,427 = 3

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 16,421 (gap of 6)
Next prime: 16,433 (gap of 6)

Pair status: sexy with 16421, sexy with 16433.

Unicode codepoint

䀫

CJK Unified Ideograph-402B

U+402B

Other letter (Lo)

UTF-8 encoding: E4 80 AB (3 bytes).

Lookup U+402B on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#00402B

RGB(0, 64, 43)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.64.43.

Address: 0.0.64.43
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.64.43

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

Position in π

The digit sequence 16427 first appears in π at position 70,982 of the decimal expansion (the 70,982ordinal-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 16427 on Pi Search ↗