Properties of the Number 66416

Sixty-Six Thousand Four Hundred Sixteen

Basics

Value: 66415 → 66416 → 66417

Parity: even

Prime: No

Previous Prime: 66413

Next Prime: 66431

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 7 × 593

Divisors: 1, 2, 4, 7, 8, 14, 16, 28, 56, 112

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001101110000

Octal: 201560

Duodecimal: 32528

Hexadecimal: 10370

Square: 4411085056

Square Root: 257.7130186855138

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

a(n) is the largest integer k such that there is an integer m with exactly n nonunitary prime factors and m + A005117(i) is squarefree for 1 <= i <= k. A390138

Number of evolutionary duplication-loss-histories of the complete binary species tree with 4 leaves. A307941

Number of digits in A090162(n). A100022

Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A026659. A26669

Number of numbers m such that the sum of the anti-divisors of m is n+1. A66416