Properties of the Number 16671

Sixteen Thousand Six Hundred Seventy-One

Basics

Value: 16670 → 16671 → 16672

Parity: odd

Prime: No

Previous Prime: 16661

Next Prime: 16673

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5557

Divisors: 1, 3, 5557, 16671

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100000100011111

Octal: 40437

Duodecimal: 9793

Hexadecimal: 411f

Square: 277922241

Square Root: 129.11622671066561

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

Number of partitions of n into parts with an odd number of distinct prime divisors. A285799

Beastly fax numbers: numbers containing the fax number of the Beast (667, one more than its regular number) in their decimal expansion. A138563

Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 86. A31584

a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = 2·n - 3 - 2^p+1 and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1 and a(2) = a(3) = 2. A49952

Number of base 17 circular n-digit numbers with adjacent digits differing by 6 or less. A125405

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 1), (0, 0, 1), (1, 0, -1)}. A148088

Numbers k such that 3·R_k+2 + 2·10^k is prime, where R_k = 11...1 is the repunit (A002275) of length k. A256788

Decimal expansion of log(48). A16671