Properties of the Number -16161

Sixteen Thousand One Hundred Sixty-One

Basics

Value: -16162 → -16161 → -16160

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: Yes

Factorization: 3 × 5387

Divisors: 1, 3, 5387, 16161

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11111100100001

Octal: -37441

Duodecimal: -9429

Hexadecimal: -3f21

Square: 261177921

Square Root: 127.12592182556632

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 n such that p(6n) is prime, where p(n) is the number of partitions of n. A111036

Palindromes k such that 3k + 1 is also a palindrome. A83829

Numbers using only digits 1 and 6. A284293

a(n+1) = ∑_{k=0..floor(3·n/5)} a(k) * a(n-k). A30038

Numbers whose consecutive digits differ by 5. A48407

Palindromes with odd number of digits formed from the reflected decimal expansion of golden ratio φ. A135699

Palindromes formed from the reflected decimal expansion of golden ratio φ. A135700

Ulam's spiral (ESE spoke). A143855

a(n) = 10·n² + 4·n + 1. A272039

Nested palindromes. A344550