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Number

56,401

56,401 is a prime, odd.

Arithmetic Number Deficient Number Evil Number Prime Pythagorean Prime Recamán's Sequence Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
16
Digit product
0
Digital root
7
Palindrome
No
Bit width
16 bits
Reversed
10,465
Recamán's sequence
a(58,410) = 56,401
Square (n²)
3,181,072,801
Cube (n³)
179,415,687,049,201
Divisor count
2
σ(n) — sum of divisors
56,402
φ(n) — Euler's totient
56,400

Primality

56,401 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 56401
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 56,401)
1 × 56401
First multiples
56,401 · 112,802 (double) · 169,203 · 225,604 · 282,005 · 338,406 · 394,807 · 451,208 · 507,609 · 564,010

Sums & aliquot sequence

As a sum of two squares: 76² + 225²
As consecutive integers: 28,200 + 28,201

Representations

In words
fifty-six thousand four hundred one
Ordinal
56401st
Binary
1101110001010001
Octal
156121
Hexadecimal
0xDC51
Base64
3FE=
One's complement
9,134 (16-bit)
In other bases
ternary (3) 2212100221
quaternary (4) 31301101
quinary (5) 3301101
senary (6) 1113041
septenary (7) 323302
nonary (9) 85327
undecimal (11) 39414
duodecimal (12) 28781
tridecimal (13) 1c897
tetradecimal (14) 167a9
pentadecimal (15) 11aa1

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓏺
Greek (Milesian)
͵νϛυαʹ
Mayan (base 20)
𝋧·𝋡·𝋠·𝋡
Chinese
五萬六千四百零一
Chinese (financial)
伍萬陸仟肆佰零壹
In other modern scripts
Eastern Arabic ٥٦٤٠١ Devanagari ५६४०१ Bengali ৫৬৪০১ Tamil ௫௬௪௦௧ Thai ๕๖๔๐๑ Tibetan ༥༦༤༠༡ Khmer ៥៦៤០១ Lao ໕໖໔໐໑ Burmese ၅၆၄၀၁

Digit at this position in famous constants

π — Pi (π)
Digit 56,401 = 2
e — Euler's number (e)
Digit 56,401 = 0
φ — Golden ratio (φ)
Digit 56,401 = 7
√2 — Pythagoras's (√2)
Digit 56,401 = 4
ln 2 — Natural log of 2
Digit 56,401 = 9
γ — Euler-Mascheroni (γ)
Digit 56,401 = 3

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 56,393 (gap of 8)
  • Next prime: 56,417 (gap of 16)
Hex color
#00DC51
RGB(0, 220, 81)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.220.81.

Address
0.0.220.81
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.220.81

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

Position in π

The digit sequence 56401 first appears in π at position 2,662 of the decimal expansion (the 2,662ordinal-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.