Number

57,241

57,241 is a prime, odd.

57,241 (fifty-seven thousand two hundred forty-one) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xDF99.

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

Interestingness

★ ★ ★ ★ ☆

7 notable facts · grade B

57,229 57,230 57,231 57,232 57,233 57,234 57,235 57,236 57,237 57,238 57,239 57,240 57,241 57,242 57,243 57,244 57,245 57,246 57,247 57,248 57,249 57,250 57,251 57,252 57,253

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Properties

Parity: Odd
Digit count: 5
Digit sum: 19
Digit product: 280
Digital root: 1
Palindrome: No
Bit width: 16 bits
Reversed: 14,275
Recamán's sequence: a(56,730) = 57,241
Square (n²): 3,276,532,081
Cube (n³): 187,551,972,848,521
Divisor count: 2
σ(n) — sum of divisors: 57,242
φ(n) — Euler's totient: 57,240

Primality

57,241 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 57241

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 57,241)

1 × 57241

First multiples

57,241 · 114,482 (double) · 171,723 · 228,964 · 286,205 · 343,446 · 400,687 · 457,928 · 515,169 · 572,410

Sums & aliquot sequence

As a sum of two squares: 125² + 204²

As consecutive integers: 28,620 + 28,621

Continued fraction of √n

√57,241 = [239; (3, 1, 67, 1, 1, 1, 1, 4, 1, 8, 1, 16, 1, 4, 1, 2, 5, 1, 1, 1, 2, 4, 1, 1, …)]

Representations

In words: fifty-seven thousand two hundred forty-one
Ordinal: 57241st
Binary: 1101111110011001
Octal: 157631
Hexadecimal: 0xDF99
Base64: 35k=
One's complement: 8,294 (16-bit)
Scientific notation: 5.7241 × 10⁴
As a duration: 57,241 s = 15 hours, 54 minutes, 1 second

In other bases

ternary (3) 2220112001

quaternary (4) 31332121

quinary (5) 3312431

senary (6) 1121001

septenary (7) 325612

nonary (9) 86461

undecimal (11) 3a008

duodecimal (12) 29161

tridecimal (13) 20092

tetradecimal (14) 16c09

pentadecimal (15) 11e61

As an angle

57,241° = 159 × 360° + 1°

1° ≈ 0.017 rad

Compass bearing: N (north)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic: 𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓏺
Greek (Milesian): ͵νζσμαʹ
Mayan (base 20): 𝋧·𝋣·𝋢·𝋡
Chinese: 五萬七千二百四十一
Chinese (financial): 伍萬柒仟貳佰肆拾壹

In other modern scripts

Eastern Arabic ٥٧٢٤١ Devanagari ५७२४१ Bengali ৫৭২৪১ Tamil ௫௭௨௪௧ Thai ๕๗๒๔๑ Tibetan ༥༧༢༤༡ Khmer ៥៧២៤១ Lao ໕໗໒໔໑ Burmese ၅၇၂၄၁

Digit at this position in famous constants

π — Pi (π): Digit 57,241 = 9
e — Euler's number (e): Digit 57,241 = 9
φ — Golden ratio (φ): Digit 57,241 = 1
√2 — Pythagoras's (√2): Digit 57,241 = 6
ln 2 — Natural log of 2: Digit 57,241 = 4
γ — Euler-Mascheroni (γ): Digit 57,241 = 6

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 57,223 (gap of 18)
Next prime: 57,251 (gap of 10)

Hex color

#00DF99

RGB(0, 223, 153)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.223.153.

Address: 0.0.223.153
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.223.153

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

Position in π

The digit sequence 57241 first appears in π at position 133,775 of the decimal expansion (the 133,775ordinal-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 57241 on Pi Search ↗