Properties of the Number 12631

Twelve Thousand Six Hundred Thirty-One

Basics

Value: 12630 → 12631 → 12632

Parity: odd

Prime: No

Previous Prime: 12619

Next Prime: 12637

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 17 × 743

Divisors: 1, 17, 743, 12631

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000101010111

Octal: 30527

Duodecimal: 7387

Hexadecimal: 3157

Square: 159542161

Square Root: 112.38772174930854

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

Number of lone-child-avoiding locally disjoint unlabeled rooted trees with n vertices. A331680

Number of maximal irredundant sets in the n-path graph. A291055

Numbers n such that RevBinary(RevDecimal(n))=RevDecimal(RevBinary(n)), where RevDecimal(n) is the decimal reversal of n (A004086) and RevBinary(n) is the binary reversal of n (A030101). A81433

Non-palindromic numbers m such that m·repunit of length k is palindromic for all large enough k. A370053

Successive left concatenation of floor(k/2) beginning with n until we reach 1. A68657

a(n) = number of triples (a,b,c) of natural numbers a,b,c <= n with gcd(a,b)=gcd(b,c)=gcd(c,a)=1. A256390

Numbers k such that the continued fraction for sqrt(k) has period 92. A20431

Number of partitions of n with equal number of parts congruent to each of 0 and 2 (mod 3). A35535

Number of Proth primes < 2ⁿ. A214120

Numbers n such that n!!! - 3⁹ is prime, where n!3 = n!!! is a triple factorial number (A007661). A267029