Properties of the Number 16279

Sixteen Thousand Two Hundred Seventy-Nine

Basics

Value: 16278 → 16279 → 16280

Parity: odd

Prime: No

Previous Prime: 16273

Next Prime: 16301

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 73 × 223

Divisors: 1, 73, 223, 16279

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11111110010111

Octal: 37627

Duodecimal: 9507

Hexadecimal: 3f97

Square: 265005841

Square Root: 127.58918449461146

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) = (2·n-1)*(n² -n +6)/6. A49480

a(n) = Least integer k such that A249431(k) = n, and -1 if no such integer exists. A249430

a(n) = 2ⁿ - n*(n+1)/2. A14833

Numbers N such that N + the sum of the cubes of its digits is again a third power. A362953

Least x = a(n) such that sum of common prime divisors (without multiplicity) of σ(x) and φ(x) equals n, or 0 if such number (apparently) does not exist. A82056

Expansion of x(1-3x+5x²-2x³)/((1-x)³*(1-2x)). A130104

Row 2 of A328464: a(n) = A276156(4n - 2) / 2. A328465

Semiprimes whose binary and ternary representations are prime when read in decimal. A279052

Numbers whose base-5 representation has exactly 7 runs. A43607

Reverse of smallest prime factor of k = largest prime factor of k+1; a(1)=1. A71392