Properties of the Number 41381

Forty-One Thousand Three Hundred Eighty-One

Basics

Value: 41380 → 41381 → 41382

Parity: odd

Prime: Yes

Previous Prime: 41357

Next Prime: 41387

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 41381

Divisors: 1, 41381

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010000110100101

Octal: 120645

Duodecimal: 1BB45

Hexadecimal: a1a5

Square: 1712387161

Square Root: 203.42320418280704

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Primes p with P(p-1) also prime, where P(.) is the partition function (A000041). A234569

Binomial transform of the β numbers 1/β(n+1,n+1) (A002457). A163869

Primes p such that 2p+1, 4p+3, 6p+5 are all primes. A107020

Triangle interpolating the swinging factorial (A056040) restricted to odd indices with its binomial transform. Same as interpolating the β numbers 1/β(n,n) (A002457) with (A163869). Triangle read by rows, for n >= 0, k >= 0. A163842

Number of non-intersecting polygons that it is possible for an accelerating ant to produce with n steps (rotations & reflections not included). On step 1 the ant moves forward 1 unit, then turns left or right and proceeds 2 units, then turns left or right until at the end of its n-th step it arrives back at its starting place. A101856

Primes obtained from other primes by prefixing a 4. A165444

Primes of the form abs(103·n² - 4707·n + 50383) in order of increasing nonnegative n. A267252

Primes p such that (p¹²⁸ + 1)/2 is prime. A341230

a(n) = 38·n² - 1. A158596

Number of terms of A086893 in the interval [A372444(n), A372444(1+n)]. A372452