Properties of the Number 61631

Sixty-One Thousand Six Hundred Thirty-One

Basics

Value: 61630 → 61631 → 61632

Parity: odd

Prime: Yes

Previous Prime: 61627

Next Prime: 61637

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 61631

Divisors: 1, 61631

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111000010111111

Octal: 170277

Duodecimal: 2B7BB

Hexadecimal: f0bf

Square: 3798380161

Square Root: 248.25591634440457

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

Number of n X 3 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A299874

Primes prime(k) such that (prime(k), prime(k+1)), (prime(k+2), prime(k+3)), (prime(k+4), prime(k+5)) form a triangle of area 2. A308649

n consecutive primes differ by 6 or more starting at a(n). A54693

Lexicographically earliest infinite sequence of distinct primes such that, for n > 0, 2n | (a(n+1) - a(n)) and, for n > 0, b(n+1) > b(n) where b(n) = (a(n+1) - a(n)) / 2n. A350392

Ooguri-Vafa invariants of disk degeneracies for brane I or brane II in the O(K) -> P² geometry. A61631