Properties of the Number 20463

Twenty Thousand Four Hundred Sixty-Three

Basics

Value: 20462 → 20463 → 20464

Parity: odd

Prime: No

Previous Prime: 20443

Next Prime: 20477

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 19 × 359

Divisors: 1, 3, 19, 57, 359, 1077, 6821, 20463

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100111111101111

Octal: 47757

Duodecimal: BA13

Hexadecimal: 4fef

Square: 418734369

Square Root: 143.04894267347802

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

Maximum sum of products of successive pairs in a permutation of order n+1. A101986

Consider all integer triples (i,j,k), j >= k > 0, with binomial(i+2,3)=j³+k³, ordered by increasing i; sequence gives j values. A54206

Number of 3 X n 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors. A208638

Number of partitions satisfying cn(0,5) <= cn(1,5) + cn(4,5). A39839

Number of n X n binary arrays with all ones connected only in a 01010-11111-00100 pattern in any orientation. A147346

Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 01010-11111-00100 pattern in any orientation. A147348

Primes that contain digits 3 and 7 only. A20463

Natural numbers n such that ∑_{k = 1..π(n)-1} p(k) == p(π(n)) mod n, where p(k) denotes the k-th prime and π(n) is the number of primes strictly less than n. A196223