Properties of the Number 61291

Sixty-One Thousand Two Hundred Ninety-One

Basics

Value: 61290 → 61291 → 61292

Parity: odd

Prime: Yes

Previous Prime: 61283

Next Prime: 61297

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 61291

Divisors: 1, 61291

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110111101101011

Octal: 167553

Duodecimal: 2B577

Hexadecimal: ef6b

Square: 3756586681

Square Root: 247.57019206681568

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

Primes p such that x⁹ = 2 has a solution mod p, but x^9² = 2 has no solution mod p. A70185

Primes p such that x²⁷ = 2 has no solution mod p, but x⁹ = 2 has a solution mod p. A59354

a(n) is the least prime beginning with prime(n) such that the concatenation a(1)a(2)...a(n) is a prime. A90510

Primes p == 3 mod 4 whose index as prime divides their index as a Gaussian prime (in the first quadrant, as defined in A103431, for example). A190637

Primes which become squares when the digits are rotated once to the right. A234925

Smallest of five consecutive primes in arithmetic progression with common difference 90 and equal digit sums. A253232

T(n,1) + T(n,2) + ... T(n,n), where T is the array in A026098. A26101

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, 1, -1), (1, -1, 0), (1, 0, 1)}. A148810

Primes p such that six consecutive primes starting with p are congruent to {1,2,3,4,5,6} (mod 7). A215599

Numbers whose sum of deficient divisors is equal to their sum of nondeficient divisors. A357462