Number

34,721

34,721 is a prime, odd.

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

Properties

Parity: Odd
Digit count: 5
Digit sum: 17
Digit product: 168
Digital root: 8
Palindrome: No
Bit width: 16 bits
Reversed: 12,743
Recamán's sequence: a(19,309) = 34,721
Square (n²): 1,205,547,841
Cube (n³): 41,857,826,587,361
Divisor count: 2
σ(n) — sum of divisors: 34,722
φ(n) — Euler's totient: 34,720

Primality

34,721 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 34721

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 34,721)

1 × 34721

First multiples

34,721 · 69,442 (double) · 104,163 · 138,884 · 173,605 · 208,326 · 243,047 · 277,768 · 312,489 · 347,210

Sums & aliquot sequence

As a sum of two squares: 64² + 175²

As consecutive integers: 17,360 + 17,361

Representations

In words: thirty-four thousand seven hundred twenty-one
Ordinal: 34721st
Binary: 1000011110100001
Octal: 103641
Hexadecimal: 0x87A1
Base64: h6E=
One's complement: 30,814 (16-bit)

In other bases

ternary (3) 1202121222

quaternary (4) 20132201

quinary (5) 2102341

senary (6) 424425

septenary (7) 203141

nonary (9) 52558

undecimal (11) 240a5

duodecimal (12) 18115

tridecimal (13) 12a5b

tetradecimal (14) c921

pentadecimal (15) a44b

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic: 𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Greek (Milesian): ͵λδψκαʹ
Mayan (base 20): 𝋤·𝋦·𝋰·𝋡
Chinese: 三萬四千七百二十一
Chinese (financial): 參萬肆仟柒佰貳拾壹

In other modern scripts

Eastern Arabic ٣٤٧٢١ Devanagari ३४७२१ Bengali ৩৪৭২১ Tamil ௩௪௭௨௧ Thai ๓๔๗๒๑ Tibetan ༣༤༧༢༡ Khmer ៣៤៧២១ Lao ໓໔໗໒໑ Burmese ၃၄၇၂၁

Digit at this position in famous constants

π — Pi (π): Digit 34,721 = 0
e — Euler's number (e): Digit 34,721 = 8
φ — Golden ratio (φ): Digit 34,721 = 9
√2 — Pythagoras's (√2): Digit 34,721 = 4
ln 2 — Natural log of 2: Digit 34,721 = 3
γ — Euler-Mascheroni (γ): Digit 34,721 = 1

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 34,703 (gap of 18)
Next prime: 34,729 (gap of 8)

Unicode codepoint

螡

CJK Unified Ideograph-87A1

U+87A1

Other letter (Lo)

UTF-8 encoding: E8 9E A1 (3 bytes).

Lookup U+87A1 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0087A1

RGB(0, 135, 161)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.135.161.

Address: 0.0.135.161
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.135.161

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

Position in π

The digit sequence 34721 first appears in π at position 25,422 of the decimal expansion (the 25,422ordinal-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 34721 on Pi Search ↗