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Properties of the Number 30261

Thirty Thousand Two Hundred Sixty-One

Basics

Value: 30260 → 30261 → 30262

Parity: odd

Prime: No

Previous Prime: 30259

Next Prime: 30269

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 11 × 131

Divisors: 1, 3, 7, 11, 21, 33, 77, 131, 231, 393

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111011000110101

Octal: 73065

Duodecimal: 15619

Hexadecimal: 7635

Square: 915728121

Square Root: 173.95689121158725

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 polyiamonds with n cells that tile the plane. A71332
Row 5 of A277710: Positions of 5's in A264977; positions of 10's in A277330. A277715
Auxiliary c(n) sequence used to prove some properties about Rowland's sequence. c(n) has the following recursive definition: c(1) = 5, cn+1 = c(n) + lfp(c(n)) - 1, where lpf(.) denotes the lowest prime factor of a number. A190894
Numbers which are the product of two S-primes (A057948) in exactly three ways. A343828
Odd numbers with exactly 4 distinct palindromic prime factors. A46406
Numbers that define integer Heronian triangles [a(n), prime(a(n)), A068968(n)] with area A068969(n). A68967
Triangle read by rows. Number T(n, k) of partitions of the multiset [1, 1, 2, 2, ..., n, n] into k nonempty submultisets, for 1 <= k <= 2n. A358710
Totally multiplicative sequence with a(p) = a(p-1) + 10 for prime p. A166707
Number of binary strings of length n+3 such that the smallest number whose binary representation is not visible in the string is 5. A261441
Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n)2, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A296246