Properties of the Number 67606

Sixty-Seven Thousand Six Hundred Six

Basics

Value: 67605 → 67606 → 67607

Parity: even

Prime: No

Previous Prime: 67601

Next Prime: 67607

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 × 11 × 439

Divisors: 1, 2, 7, 11, 14, 22, 77, 154, 439, 878

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10000100000010110

Octal: 204026

Duodecimal: 3315A

Hexadecimal: 10816

Square: 4570571236

Square Root: 260.0115382055189

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

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally and vertically. A257209

Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally and vertically. A257203

Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally and vertically. A257205

Number of permutations of length n sortable by 5 passes through a pop-stack. A293776

Primes p such that p+7 == 0 (mod φ(p+7)). A67606

Table read by antidiagonals: T(b,n) is the number of n-step self avoiding walks on a 2D square grid confined inside a square box of dimension 2b X 2b where the walk starts at the middle of one of the box's edges. A336872