Properties of the Number 61331

Sixty-One Thousand Three Hundred Thirty-One

Basics

Value: 61330 → 61331 → 61332

Parity: odd

Prime: Yes

Previous Prime: 61297

Next Prime: 61333

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 61331

Divisors: 1, 61331

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110111110010011

Octal: 167623

Duodecimal: 2B5AB

Hexadecimal: ef93

Square: 3761491561

Square Root: 247.65096406030807

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 from merging of 5 successive digits in decimal expansion of e. A104846

Middle of 3 consecutive prime numbers such that p1·p2·p3+d1+d2+1=average of twin prime pairs, d1(δ)=p2-p1,d2(δ)=p3-p2. A153407

Primes p such that 2p²-1, 3p²-2 and 4p²-3 are also prime. A213079

Primes whose trajectories under the map x -> A039951(x) enter the cycle {83, 4871} (conjectured). A252812

Primes having Fibonacci prime gaps to both neighbor primes. A353135

Primes p such that p+2, n*(p+2)+6 and p*(p+2)+8 are also prime. A130735

Number of permutations of length n which avoid the patterns 2134, 3421, 4312. A116766

Natural numbers n such that the concatenation n//1331 is a prime number. A174213

Triangle, read by rows, where the n-th row lists the coefficients of the polynomial of degree n that generates the n-th diagonal of this sequence. A91150

Primes with 19 as smallest positive primitive root. A61331