Number

16,493

16,493 is a prime, odd.

Arithmetic Number Chen Prime Deficient Number Emirp Evil Number Prime Pythagorean Prime Recamán's Sequence Sexy Prime Sophie Germain Prime Squarefree

Properties

Parity: Odd
Digit count: 5
Digit sum: 23
Digit product: 648
Digital root: 5
Palindrome: No
Bit width: 15 bits
Reversed: 39,461
Recamán's sequence: a(44,973) = 16,493
Square (n²): 272,019,049
Cube (n³): 4,486,410,175,157
Divisor count: 2
σ(n) — sum of divisors: 16,494
φ(n) — Euler's totient: 16,492

Primality

16,493 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 16493

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 16,493)

1 × 16493

First multiples

16,493 · 32,986 (double) · 49,479 · 65,972 · 82,465 · 98,958 · 115,451 · 131,944 · 148,437 · 164,930

Sums & aliquot sequence

As a sum of two squares: 83² + 98²

As consecutive integers: 8,246 + 8,247

Representations

In words: sixteen thousand four hundred ninety-three
Ordinal: 16493rd
Binary: 100000001101101
Octal: 40155
Hexadecimal: 0x406D
Base64: QG0=
One's complement: 49,042 (16-bit)

In other bases

ternary (3) 211121212

quaternary (4) 10001231

quinary (5) 1011433

senary (6) 204205

septenary (7) 66041

nonary (9) 24555

undecimal (11) 11434

duodecimal (12) 9665

tridecimal (13) 7679

tetradecimal (14) 6021

pentadecimal (15) 4d48

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic: 𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian): ͵ιϛυϟγʹ
Mayan (base 20): 𝋢·𝋡·𝋤·𝋭
Chinese: 一萬六千四百九十三
Chinese (financial): 壹萬陸仟肆佰玖拾參

In other modern scripts

Eastern Arabic ١٦٤٩٣ Devanagari १६४९३ Bengali ১৬৪৯৩ Tamil ௧௬௪௯௩ Thai ๑๖๔๙๓ Tibetan ༡༦༤༩༣ Khmer ១៦៤៩៣ Lao ໑໖໔໙໓ Burmese ၁၆၄၉၃

Digit at this position in famous constants

π — Pi (π): Digit 16,493 = 2
e — Euler's number (e): Digit 16,493 = 3
φ — Golden ratio (φ): Digit 16,493 = 1
√2 — Pythagoras's (√2): Digit 16,493 = 3
ln 2 — Natural log of 2: Digit 16,493 = 3
γ — Euler-Mascheroni (γ): Digit 16,493 = 9

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 16,487 (gap of 6)
Next prime: 16,519 (gap of 26)

Pair status: sexy with 16487.

Unicode codepoint

䁭

CJK Unified Ideograph-406D

U+406D

Other letter (Lo)

UTF-8 encoding: E4 81 AD (3 bytes).

Lookup U+406D on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#00406D

RGB(0, 64, 109)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.64.109.

Address: 0.0.64.109
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.64.109

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

Position in π

The digit sequence 16493 first appears in π at position 11,681 of the decimal expansion (the 11,681ordinal-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 16493 on Pi Search ↗