Properties of the Number 61850

Sixty-One Thousand Eight Hundred Fifty

Basics

Value: 61849 → 61850 → 61851

Parity: even

Prime: No

Previous Prime: 61843

Next Prime: 61861

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 ² × 1237

Divisors: 1, 2, 5, 10, 25, 50, 1237, 2474, 6185, 12370

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000110011010

Octal: 170632

Duodecimal: 2B962

Hexadecimal: f19a

Square: 3825422500

Square Root: 248.69660230891776

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 integer partitions of n that can be partitioned into sets with distinct sums. A381992

Number of k-element subsets S of {1,...,n} such that mean(S)<median(S). A212149

a(1) = a(2) = 1. For n >= 3, a(n) = 1 + A114600(n-2)*A114600(n-1). A114599

Squares whose consecutive digits vary by at most 1. A61850