Properties of the Number 16406

Sixteen Thousand Four Hundred Six

Basics

Value: 16405 → 16406 → 16407

Parity: even

Prime: No

Previous Prime: 16381

Next Prime: 16411

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 13 × 631

Divisors: 1, 2, 13, 26, 631, 1262, 8203, 16406

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100000000010110

Octal: 40026

Duodecimal: 95B2

Hexadecimal: 4016

Square: 269156836

Square Root: 128.0859086707043

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 steps to reach 0 when starting from 2ⁿ and iterating the map x -> x - (number of 1's in binary representation of x): a(n) = A071542(2ⁿ) = A218600(n)+1. A213710

Dispersion of A016861, (5k+1), by antidiagonals. A191703

a(n) = ∑_d∣n σ(n/d)*d³. A27847

a(n) = ∑_d∣n d³*A000593(n/d). A288419

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A317611

Numbers n such that n!3 + 3¹⁰ is prime, where n!3 = n!!! is a triple factorial number (A007661). A261145

Number of compositions of n into parts with multiplicity not larger than 4. A243082

Expansion of (theta₃(x) - 1)⁵ / (16 * (3 - theta₃(x))). A347808

Dying rabbits: a(n) = a(n-1) + a(n-2) - a(n-10). A23440

Total number of distinct cycles in a particular cellular automata of size n. A83843