Number

4,231

4,231 is a prime, odd.

Arithmetic Number Deficient Number Odious Number Pernicious Number Prime Recamán's Sequence Squarefree Twin Prime

Properties

Parity: Odd
Digit count: 4
Digit sum: 10
Digit product: 24
Digital root: 1
Palindrome: No
Bit width: 13 bits
Reversed: 1,324
Recamán's sequence: a(1,286) = 4,231
Square (n²): 17,901,361
Cube (n³): 75,740,658,391
Divisor count: 2
σ(n) — sum of divisors: 4,232
φ(n) — Euler's totient: 4,230

Primality

4,231 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 4231

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 4,231)

1 × 4231

First multiples

4,231 · 8,462 (double) · 12,693 · 16,924 · 21,155 · 25,386 · 29,617 · 33,848 · 38,079 · 42,310

Sums & aliquot sequence

As consecutive integers: 2,115 + 2,116

Representations

In words: four thousand two hundred thirty-one
Ordinal: 4231st
Binary: 1000010000111
Octal: 10207
Hexadecimal: 0x1087
Base64: EIc=
One's complement: 61,304 (16-bit)

In other bases

ternary (3) 12210201

quaternary (4) 1002013

quinary (5) 113411

senary (6) 31331

septenary (7) 15223

nonary (9) 5721

undecimal (11) 31a7

duodecimal (12) 2547

tridecimal (13) 1c06

tetradecimal (14) 1783

pentadecimal (15) 13c1

Historical numeral systems

Babylonian (base 60): 𒁹 𒌋 𒌋𒌋𒌋𒁹
Egyptian hieroglyphic: 𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓏺
Greek (Milesian): ͵δσλαʹ
Mayan (base 20): 𝋪·𝋫·𝋫
Chinese: 四千二百三十一
Chinese (financial): 肆仟貳佰參拾壹

In other modern scripts

Eastern Arabic ٤٢٣١ Devanagari ४२३१ Bengali ৪২৩১ Tamil ௪௨௩௧ Thai ๔๒๓๑ Tibetan ༤༢༣༡ Khmer ៤២៣១ Lao ໔໒໓໑ Burmese ၄၂၃၁

Digit at this position in famous constants

π — Pi (π): Digit 4,231 = 0
e — Euler's number (e): Digit 4,231 = 9
φ — Golden ratio (φ): Digit 4,231 = 8
√2 — Pythagoras's (√2): Digit 4,231 = 6
ln 2 — Natural log of 2: Digit 4,231 = 9
γ — Euler-Mascheroni (γ): Digit 4,231 = 6

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 4,229 (gap of 2)
Next prime: 4,241 (gap of 10)

Pair status: twin with 4229.

Unicode codepoint

ႇ

Myanmar Sign Shan Tone-2

U+1087

Spacing combining mark (Mc)

UTF-8 encoding: E1 82 87 (3 bytes).

Lookup U+1087 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#001087

RGB(0, 16, 135)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.16.135.

Address: 0.0.16.135
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.16.135

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

Position in π

The digit sequence 4231 first appears in π at position 2,994 of the decimal expansion (the 2,994ordinal-suffix:th 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 4231 on Pi Search ↗