Properties of the Number 67220

Sixty-Seven Thousand Two Hundred Twenty

Basics

Value: 67219 → 67220 → 67221

Parity: even

Prime: No

Previous Prime: 67219

Next Prime: 67231

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 3361

Divisors: 1, 2, 4, 5, 10, 20, 3361, 6722, 13444, 16805

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000011010010100

Octal: 203224

Duodecimal: 32A98

Hexadecimal: 10694

Square: 4518528400

Square Root: 259.268200904006

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

Numbers k such that A206369(k) = A206369(k + 1). A206368

Numbers M(n) which are the number of terms in the sums of consecutive cubed integers equaling a squared integer, b³ + (b+1)³ + ... + (b+M-1)³ = c², for a first term b(n) being an odd squared integer (A016754). A253707

Numbers k such that k-1, k-3, k-7 and k-9 are all prime. A64974

Integers k for which 1 + A094125(k) = 1 + 3·2^k + 2·3^k is prime. A95378

Expansion of ((1 + 16·x)/(1 - 16·x))^1/16. A304915

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 110", based on the 5-celled von Neumann neighborhood. A270169

Number of n X n 0..12 matrices with all row and column sums equal. A67220