Number

56,501

56,501 is a prime, odd.

56,501 (fifty-six thousand five hundred one) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xDCB5.

Arithmetic Number Chen Prime Cube-Free Deficient Number Evil Number Prime Pythagorean Prime Recamán's Sequence Self Number Squarefree Twin Prime

Interestingness

★ ★ ★ ★ ★

9 notable facts · grade A

56,489 56,490 56,491 56,492 56,493 56,494 56,495 56,496 56,497 56,498 56,499 56,500 56,501 56,502 56,503 56,504 56,505 56,506 56,507 56,508 56,509 56,510 56,511 56,512 56,513

less more

Properties

Parity: Odd
Digit count: 5
Digit sum: 17
Digit product: 0
Digital root: 8
Palindrome: No
Bit width: 16 bits
Reversed: 10,565
Recamán's sequence: a(58,210) = 56,501
Square (n²): 3,192,363,001
Cube (n³): 180,371,701,919,501
Divisor count: 2
σ(n) — sum of divisors: 56,502
φ(n) — Euler's totient: 56,500

Primality

56,501 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 56501

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 56,501)

1 × 56501

First multiples

56,501 · 113,002 (double) · 169,503 · 226,004 · 282,505 · 339,006 · 395,507 · 452,008 · 508,509 · 565,010

Sums & aliquot sequence

As a sum of two squares: 130² + 199²

As consecutive integers: 28,250 + 28,251

Continued fraction of √n

√56,501 = [237; (1, 2, 3, 16, 10, 1, 2, 1, 8, 2, 1, 1, 20, 13, 1, 1, 6, 1, 3, 1, 7, 1, 5, 1, …)]

Representations

In words: fifty-six thousand five hundred one
Ordinal: 56501st
Binary: 1101110010110101
Octal: 156265
Hexadecimal: 0xDCB5
Base64: 3LU=
One's complement: 9,034 (16-bit)
Scientific notation: 5.6501 × 10⁴
As a duration: 56,501 s = 15 hours, 41 minutes, 41 seconds

In other bases

ternary (3) 2212111122

quaternary (4) 31302311

quinary (5) 3302001

senary (6) 1113325

septenary (7) 323504

nonary (9) 85448

undecimal (11) 394a5

duodecimal (12) 28845

tridecimal (13) 1c943

tetradecimal (14) 1683b

pentadecimal (15) 11b1b

As an angle

56,501° = 156 × 360° + 341°

341° ≈ 5.952 rad

Compass bearing: NNW (north-northwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic: 𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓏺
Greek (Milesian): ͵νϛφαʹ
Mayan (base 20): 𝋧·𝋡·𝋥·𝋡
Chinese: 五萬六千五百零一
Chinese (financial): 伍萬陸仟伍佰零壹

In other modern scripts

Eastern Arabic ٥٦٥٠١ Devanagari ५६५०१ Bengali ৫৬৫০১ Tamil ௫௬௫௦௧ Thai ๕๖๕๐๑ Tibetan ༥༦༥༠༡ Khmer ៥៦៥០១ Lao ໕໖໕໐໑ Burmese ၅၆၅၀၁

Digit at this position in famous constants

π — Pi (π): Digit 56,501 = 9
e — Euler's number (e): Digit 56,501 = 0
φ — Golden ratio (φ): Digit 56,501 = 9
√2 — Pythagoras's (√2): Digit 56,501 = 8
ln 2 — Natural log of 2: Digit 56,501 = 8
γ — Euler-Mascheroni (γ): Digit 56,501 = 0

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 56,489 (gap of 12)
Next prime: 56,503 (gap of 2)

Pair status: twin with 56503.

Hex color

#00DCB5

RGB(0, 220, 181)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.220.181.

Address: 0.0.220.181
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.220.181

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

Position in π

The digit sequence 56501 first appears in π at position 177,216 of the decimal expansion (the 177,216ordinal-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 56501 on Pi Search ↗