Number

64,109

64,109 is a prime, odd.

Arithmetic Number Chen Prime Deficient Number Odious Number Pernicious Number Prime Pythagorean Prime Recamán's Sequence Squarefree

Properties

Parity: Odd
Digit count: 5
Digit sum: 20
Digit product: 0
Digital root: 2
Palindrome: No
Bit width: 16 bits
Reversed: 90,146
Recamán's sequence: a(286,682) = 64,109
Square (n²): 4,109,963,881
Cube (n³): 263,485,674,447,029
Divisor count: 2
σ(n) — sum of divisors: 64,110
φ(n) — Euler's totient: 64,108

Primality

64,109 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 64109

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 64,109)

1 × 64109

First multiples

64,109 · 128,218 (double) · 192,327 · 256,436 · 320,545 · 384,654 · 448,763 · 512,872 · 576,981 · 641,090

Sums & aliquot sequence

As a sum of two squares: 10² + 253²

As consecutive integers: 32,054 + 32,055

Representations

In words: sixty-four thousand one hundred nine
Ordinal: 64109th
Binary: 1111101001101101
Octal: 175155
Hexadecimal: 0xFA6D
Base64: +m0=
One's complement: 1,426 (16-bit)

In other bases

ternary (3) 10020221102

quaternary (4) 33221231

quinary (5) 4022414

senary (6) 1212445

septenary (7) 354623

nonary (9) 106842

undecimal (11) 44191

duodecimal (12) 31125

tridecimal (13) 23246

tetradecimal (14) 19513

pentadecimal (15) 13ede

Historical numeral systems

Babylonian (base 60): 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵ξδρθʹ
Mayan (base 20): 𝋨·𝋠·𝋥·𝋩
Chinese: 六萬四千一百零九
Chinese (financial): 陸萬肆仟壹佰零玖

In other modern scripts

Eastern Arabic ٦٤١٠٩ Devanagari ६४१०९ Bengali ৬৪১০৯ Tamil ௬௪௧௦௯ Thai ๖๔๑๐๙ Tibetan ༦༤༡༠༩ Khmer ៦៤១០៩ Lao ໖໔໑໐໙ Burmese ၆၄၁၀၉

Digit at this position in famous constants

π — Pi (π): Digit 64,109 = 5
e — Euler's number (e): Digit 64,109 = 5
φ — Golden ratio (φ): Digit 64,109 = 9
√2 — Pythagoras's (√2): Digit 64,109 = 9
ln 2 — Natural log of 2: Digit 64,109 = 7
γ — Euler-Mascheroni (γ): Digit 64,109 = 2

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 64,091 (gap of 18)
Next prime: 64,123 (gap of 14)

Unicode codepoint

舘

CJK Compatibility Ideograph-Fa6D

U+FA6D

Other letter (Lo)

UTF-8 encoding: EF A9 AD (3 bytes).

Lookup U+FA6D on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#00FA6D

RGB(0, 250, 109)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.250.109.

Address: 0.0.250.109
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.250.109

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

Position in π

The digit sequence 64109 first appears in π at position 354,231 of the decimal expansion (the 354,231ordinal-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 64109 on Pi Search ↗