Properties of the Number 61916

Sixty-One Thousand Nine Hundred Sixteen

Basics

Value: 61915 → 61916 → 61917

Parity: even

Prime: No

Previous Prime: 61909

Next Prime: 61927

Digit Sum: 23

Digital Root: 5

Palindrome: Yes

Factorization: 2 ² × 23 × 673

Divisors: 1, 2, 4, 23, 46, 92, 673, 1346, 2692, 15479

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000111011100

Octal: 170734

Duodecimal: 2B9B8

Hexadecimal: f1dc

Square: 3833591056

Square Root: 248.8292587297563

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

Base-10 palindromes that start with 6. A43041

Numbers n such that if n = a U b (where U denotes concatenation) then σ*(a) + σ*(b) = abs(σ*(n) - n), where σ*(n) is the sum of the anti-divisors of n. A239686

G.f. A(x) satisfies: [xⁿ] A(x)ⁿ / (x·A(x))' = 0 for n > 1. A300994

Obtain m by omitting trailing zeros from n; a(n) = smallest k such that k·m is a palindrome with even digits, or -1 if no such multiple exists. A61916

Numbers that form a Pythagorean 6-tuple with their first four arithmetic derivatives. A249106