Properties of the Number 17961

Seventeen Thousand Nine Hundred Sixty-One

Basics

Value: 17960 → 17961 → 17962

Parity: odd

Prime: No

Previous Prime: 17959

Next Prime: 17971

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5987

Divisors: 1, 3, 5987, 17961

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011000101001

Octal: 43051

Duodecimal: A489

Hexadecimal: 4629

Square: 322597521

Square Root: 134.0186554178186

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) is the start of the least run of exactly n consecutive positive numbers with strictly decreasing values of A177329, or -1 if no such run exists. A374674

Record values in A079300 (number of shortest addition chains of n). A118387

Numbers n such that prime(n) and φ(n) have the same decimal digits. A243462

Semiprimes of the form k² + 5. A361696

Numbers k such that k![4] - 16 is prime, where k![4] = A007662(k) = quadruple factorial. A329166

Powers of sqrt(19) rounded down. A17961