Properties of the Number 61697

Sixty-One Thousand Six Hundred Ninety-Seven

Basics

Value: 61696 → 61697 → 61698

Parity: odd

Prime: No

Previous Prime: 61687

Next Prime: 61703

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 103 × 599

Divisors: 1, 103, 599, 61697

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1111000100000001

Octal: 170401

Duodecimal: 2B855

Hexadecimal: f101

Square: 3806519809

Square Root: 248.38880812146107

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 ordered partitions of partitions. A55887

a(n) is the smallest number which can be represented as the sum of n distinct nonzero n-gonal pyramidal numbers in exactly n ways, or -1 if no such number exists. A350397

Cototient of 2ⁿ + 1. A53286

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Lucas numbers), t = (composite numbers). A25091

Expansion of e.g.f. exp( sin(sqrt(2)*x) / sqrt(2) ). A381343

Generalized Bell numbers. A61697