Properties of the Number 67928

Sixty-Seven Thousand Nine Hundred Twenty-Eight

Basics

Value: 67927 → 67928 → 67929

Parity: even

Prime: No

Previous Prime: 67927

Next Prime: 67931

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 7 × 1213

Divisors: 1, 2, 4, 7, 8, 14, 28, 56, 1213, 2426

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100101011000

Octal: 204530

Duodecimal: 33388

Hexadecimal: 10958

Square: 4614213184

Square Root: 260.63000594712804

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

Total length of all longest runs of 0's in multus bitstrings of length n. A333396

Expansion of e.g.f. ( ∏_k>0 1/(1 - x^k/k!) )^x. A356579

a(n) = 1·2*3·4*5·6*7·8*9·10 + 11·12·13·14·15·16·17·18·19·20 + 21·22·23·24·25·26·27·28·29·30 + ... + (up to n). A319212

Numbers k such that the digits of the k-th prime begin with k. A67928

Number of (n+1)X5 binary arrays with no 2X2 subblock sum equal to any horizontal or vertical neighbor 2X2 subblock sum. A185793