Properties of the Number 61559

Sixty-One Thousand Five Hundred Fifty-Nine

Basics

Value: 61558 → 61559 → 61560

Parity: odd

Prime: Yes

Previous Prime: 61553

Next Prime: 61561

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 61559

Divisors: 1, 61559

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000001110111

Octal: 170167

Duodecimal: 2B75B

Hexadecimal: f077

Square: 3789510481

Square Root: 248.11086231763414

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

Table whose n-th row lists the prime factors of the n-th Giuga number A007850(n). A236434

Smallest member of a pair of consecutive twin prime pairs that have exactly n primes between them. A89637

Number of bicolored trees on n unlabeled nodes such that black nodes are not adjacent to each other and every white node is adjacent to a black node. A339837

Prime factors of Giuga numbers A007850 with 8 or fewer prime divisors. A216823

Least prime p such that σ(x)=σ(p) has exactly n solutions. A115374

Primes p such that p+2, (p²-1)/2+p and (p²+3)/2+3·p are also prime. A352948

Duplicate of A089637. A181981

Primes that can be generated by the concatenation in base 8, in descending order, of two consecutive integers read in base 10. A287311

Expansion of Molien series for 8-dimensional real Clifford group 2¹⁺⁶.Alt₈.2 of genus 3 and order 5160960. A24186

Array read by antidiagonals: T(k,d) = number of different hyperplanes in d-space with integer coefficients in set {-k,...,-1,0,1,...,k}. A61559